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Finding the Fourth Proportional to 40,404.30, 60,581.67 and 15,417.55

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Solution

The fourth proportional to 40,404.30, 60,581.67 and 15,417.55 is: 23,116.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,404.30 : 60,581.67 = 15,417.55 : x
  2. Step 2: Convert to fraction form
    40,404.30/60,581.67 = 15,417.55/x
  3. Step 3: Cross multiply
    40,404.30x = 60,581.67 × 15,417.55
  4. Step 4: Simplify right side
    40,404.30x = 934,020,926.31
  5. Step 5: Solve for x
    x = 934,020,926.31/40,404.30
  6. Step 6: Final answer
    x = 23,116.87

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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.