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Finding the Fourth Proportional to 62,891.52, 94,259.52 and 31,735.68

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Solution

The fourth proportional to 62,891.52, 94,259.52 and 31,735.68 is: 47,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,891.52 : 94,259.52 = 31,735.68 : x
  2. Step 2: Convert to fraction form
    62,891.52/94,259.52 = 31,735.68/x
  3. Step 3: Cross multiply
    62,891.52x = 94,259.52 × 31,735.68
  4. Step 4: Simplify right side
    62,891.52x = 2,991,389,963.67
  5. Step 5: Solve for x
    x = 2,991,389,963.67/62,891.52
  6. Step 6: Final answer
    x = 47,564.28

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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.