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Finding the Fourth Proportional to 62,944.72, 94,404.54 and 40,388.68

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Solution

The fourth proportional to 62,944.72, 94,404.54 and 40,388.68 is: 60,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,944.72 : 94,404.54 = 40,388.68 : x
  2. Step 2: Convert to fraction form
    62,944.72/94,404.54 = 40,388.68/x
  3. Step 3: Cross multiply
    62,944.72x = 94,404.54 × 40,388.68
  4. Step 4: Simplify right side
    62,944.72x = 3,812,874,756.61
  5. Step 5: Solve for x
    x = 3,812,874,756.61/62,944.72
  6. Step 6: Final answer
    x = 60,574.97

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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.