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Finding the Fourth Proportional to 62,930.88, 86,845.28 and 34,637.28

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Solution

The fourth proportional to 62,930.88, 86,845.28 and 34,637.28 is: 47,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,930.88 : 86,845.28 = 34,637.28 : x
  2. Step 2: Convert to fraction form
    62,930.88/86,845.28 = 34,637.28/x
  3. Step 3: Cross multiply
    62,930.88x = 86,845.28 × 34,637.28
  4. Step 4: Simplify right side
    62,930.88x = 3,008,084,280.04
  5. Step 5: Solve for x
    x = 3,008,084,280.04/62,930.88
  6. Step 6: Final answer
    x = 47,799.81

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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.