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Finding the Fourth Proportional to 11,236,779.90, 16,855,169.85 and 11,236,779.90

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Solution

The fourth proportional to 11,236,779.90, 16,855,169.85 and 11,236,779.90 is: 16,855,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236,779.90 : 16,855,169.85 = 11,236,779.90 : x
  2. Step 2: Convert to fraction form
    11,236,779.90/16,855,169.85 = 11,236,779.90/x
  3. Step 3: Cross multiply
    11,236,779.90x = 16,855,169.85 × 11,236,779.90
  4. Step 4: Simplify right side
    11,236,779.90x = 189,397,833,781,566.03
  5. Step 5: Solve for x
    x = 189,397,833,781,566.03/11,236,779.90
  6. Step 6: Final answer
    x = 16,855,169.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.