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Finding the Fourth Proportional to 62,954.96, 94,491 and 31,812.08

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Solution

The fourth proportional to 62,954.96, 94,491 and 31,812.08 is: 47,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,954.96 : 94,491 = 31,812.08 : x
  2. Step 2: Convert to fraction form
    62,954.96/94,491 = 31,812.08/x
  3. Step 3: Cross multiply
    62,954.96x = 94,491 × 31,812.08
  4. Step 4: Simplify right side
    62,954.96x = 3,005,955,251.28
  5. Step 5: Solve for x
    x = 3,005,955,251.28/62,954.96
  6. Step 6: Final answer
    x = 47,747.71

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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.