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Finding the Fourth Proportional to 62,781.68, 86,602.52 and 37,616.60

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Solution

The fourth proportional to 62,781.68, 86,602.52 and 37,616.60 is: 51,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,781.68 : 86,602.52 = 37,616.60 : x
  2. Step 2: Convert to fraction form
    62,781.68/86,602.52 = 37,616.60/x
  3. Step 3: Cross multiply
    62,781.68x = 86,602.52 × 37,616.60
  4. Step 4: Simplify right side
    62,781.68x = 3,257,692,353.83
  5. Step 5: Solve for x
    x = 3,257,692,353.83/62,781.68
  6. Step 6: Final answer
    x = 51,889.22

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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.