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Finding the Fourth Proportional to 63,017.68, 86,963.49 and 36,159.60

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Solution

The fourth proportional to 63,017.68, 86,963.49 and 36,159.60 is: 49,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,017.68 : 86,963.49 = 36,159.60 : x
  2. Step 2: Convert to fraction form
    63,017.68/86,963.49 = 36,159.60/x
  3. Step 3: Cross multiply
    63,017.68x = 86,963.49 × 36,159.60
  4. Step 4: Simplify right side
    63,017.68x = 3,144,565,013.00
  5. Step 5: Solve for x
    x = 3,144,565,013.00/63,017.68
  6. Step 6: Final answer
    x = 49,899.73

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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.