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Finding the Fourth Proportional to 63,963.60, 88,291.80 and 38,484.24

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Solution

The fourth proportional to 63,963.60, 88,291.80 and 38,484.24 is: 53,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,963.60 : 88,291.80 = 38,484.24 : x
  2. Step 2: Convert to fraction form
    63,963.60/88,291.80 = 38,484.24/x
  3. Step 3: Cross multiply
    63,963.60x = 88,291.80 × 38,484.24
  4. Step 4: Simplify right side
    63,963.60x = 3,397,842,821.23
  5. Step 5: Solve for x
    x = 3,397,842,821.23/63,963.60
  6. Step 6: Final answer
    x = 53,121.51

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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.