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Finding the Fourth Proportional to 11,026.70, 16,540.02 and 2,818.70

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Solution

The fourth proportional to 11,026.70, 16,540.02 and 2,818.70 is: 4,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.70 : 16,540.02 = 2,818.70 : x
  2. Step 2: Convert to fraction form
    11,026.70/16,540.02 = 2,818.70/x
  3. Step 3: Cross multiply
    11,026.70x = 16,540.02 × 2,818.70
  4. Step 4: Simplify right side
    11,026.70x = 46,621,354.37
  5. Step 5: Solve for x
    x = 46,621,354.37/11,026.70
  6. Step 6: Final answer
    x = 4,228.04

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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.