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Finding the Fourth Proportional to 63,987.16, 88,304.12 and 35,694.68

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Solution

The fourth proportional to 63,987.16, 88,304.12 and 35,694.68 is: 49,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,987.16 : 88,304.12 = 35,694.68 : x
  2. Step 2: Convert to fraction form
    63,987.16/88,304.12 = 35,694.68/x
  3. Step 3: Cross multiply
    63,987.16x = 88,304.12 × 35,694.68
  4. Step 4: Simplify right side
    63,987.16x = 3,151,987,306.08
  5. Step 5: Solve for x
    x = 3,151,987,306.08/63,987.16
  6. Step 6: Final answer
    x = 49,259.68

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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.