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Finding the Fourth Proportional to 62,448.80, 86,177.20 and 35,599.95

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Solution

The fourth proportional to 62,448.80, 86,177.20 and 35,599.95 is: 49,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,448.80 : 86,177.20 = 35,599.95 : x
  2. Step 2: Convert to fraction form
    62,448.80/86,177.20 = 35,599.95/x
  3. Step 3: Cross multiply
    62,448.80x = 86,177.20 × 35,599.95
  4. Step 4: Simplify right side
    62,448.80x = 3,067,904,055.64
  5. Step 5: Solve for x
    x = 3,067,904,055.64/62,448.80
  6. Step 6: Final answer
    x = 49,126.71

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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.