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Finding the Fourth Proportional to 40,874.01, 56,404.76 and 22,724.68

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Solution

The fourth proportional to 40,874.01, 56,404.76 and 22,724.68 is: 31,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,874.01 : 56,404.76 = 22,724.68 : x
  2. Step 2: Convert to fraction form
    40,874.01/56,404.76 = 22,724.68/x
  3. Step 3: Cross multiply
    40,874.01x = 56,404.76 × 22,724.68
  4. Step 4: Simplify right side
    40,874.01x = 1,281,780,037.28
  5. Step 5: Solve for x
    x = 1,281,780,037.28/40,874.01
  6. Step 6: Final answer
    x = 31,359.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.