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Finding the Fourth Proportional to 62,481.71, 86,253.23 and 39,851.73

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Solution

The fourth proportional to 62,481.71, 86,253.23 and 39,851.73 is: 55,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,481.71 : 86,253.23 = 39,851.73 : x
  2. Step 2: Convert to fraction form
    62,481.71/86,253.23 = 39,851.73/x
  3. Step 3: Cross multiply
    62,481.71x = 86,253.23 × 39,851.73
  4. Step 4: Simplify right side
    62,481.71x = 3,437,340,533.22
  5. Step 5: Solve for x
    x = 3,437,340,533.22/62,481.71
  6. Step 6: Final answer
    x = 55,013.55

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1.5x scale

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.