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Finding the Fourth Proportional to 10,404.92, 15,606.18 and 2,613.14

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Solution

The fourth proportional to 10,404.92, 15,606.18 and 2,613.14 is: 3,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.92 : 15,606.18 = 2,613.14 : x
  2. Step 2: Convert to fraction form
    10,404.92/15,606.18 = 2,613.14/x
  3. Step 3: Cross multiply
    10,404.92x = 15,606.18 × 2,613.14
  4. Step 4: Simplify right side
    10,404.92x = 40,781,133.21
  5. Step 5: Solve for x
    x = 40,781,133.21/10,404.92
  6. Step 6: Final answer
    x = 3,919.41

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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.