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Finding the Fourth Proportional to 63,433.97, 87,538.89 and 38,283.47

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Solution

The fourth proportional to 63,433.97, 87,538.89 and 38,283.47 is: 52,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,433.97 : 87,538.89 = 38,283.47 : x
  2. Step 2: Convert to fraction form
    63,433.97/87,538.89 = 38,283.47/x
  3. Step 3: Cross multiply
    63,433.97x = 87,538.89 × 38,283.47
  4. Step 4: Simplify right side
    63,433.97x = 3,351,292,503.29
  5. Step 5: Solve for x
    x = 3,351,292,503.29/63,433.97
  6. Step 6: Final answer
    x = 52,831.20

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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.