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Finding the Fourth Proportional to 9,248,519.70, 13,872,779.55 and 9,248,519.70

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Solution

The fourth proportional to 9,248,519.70, 13,872,779.55 and 9,248,519.70 is: 13,872,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248,519.70 : 13,872,779.55 = 9,248,519.70 : x
  2. Step 2: Convert to fraction form
    9,248,519.70/13,872,779.55 = 9,248,519.70/x
  3. Step 3: Cross multiply
    9,248,519.70x = 13,872,779.55 × 9,248,519.70
  4. Step 4: Simplify right side
    9,248,519.70x = 128,302,674,961,932.12
  5. Step 5: Solve for x
    x = 128,302,674,961,932.12/9,248,519.70
  6. Step 6: Final answer
    x = 13,872,779.55

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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.