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Finding the Fourth Proportional to 58,615.92, 87,972.90 and 25,361.28

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Solution

The fourth proportional to 58,615.92, 87,972.90 and 25,361.28 is: 38,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,615.92 : 87,972.90 = 25,361.28 : x
  2. Step 2: Convert to fraction form
    58,615.92/87,972.90 = 25,361.28/x
  3. Step 3: Cross multiply
    58,615.92x = 87,972.90 × 25,361.28
  4. Step 4: Simplify right side
    58,615.92x = 2,231,105,349.31
  5. Step 5: Solve for x
    x = 2,231,105,349.31/58,615.92
  6. Step 6: Final answer
    x = 38,063.13

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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.