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Finding the Fourth Proportional to 63,781.97, 88,013.75 and 37,583.80

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Solution

The fourth proportional to 63,781.97, 88,013.75 and 37,583.80 is: 51,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,781.97 : 88,013.75 = 37,583.80 : x
  2. Step 2: Convert to fraction form
    63,781.97/88,013.75 = 37,583.80/x
  3. Step 3: Cross multiply
    63,781.97x = 88,013.75 × 37,583.80
  4. Step 4: Simplify right side
    63,781.97x = 3,307,891,177.25
  5. Step 5: Solve for x
    x = 3,307,891,177.25/63,781.97
  6. Step 6: Final answer
    x = 51,862.48

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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.