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Finding the Fourth Proportional to 63,791.30, 88,047.62 and 49,422.71

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Solution

The fourth proportional to 63,791.30, 88,047.62 and 49,422.71 is: 68,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,791.30 : 88,047.62 = 49,422.71 : x
  2. Step 2: Convert to fraction form
    63,791.30/88,047.62 = 49,422.71/x
  3. Step 3: Cross multiply
    63,791.30x = 88,047.62 × 49,422.71
  4. Step 4: Simplify right side
    63,791.30x = 4,351,551,989.45
  5. Step 5: Solve for x
    x = 4,351,551,989.45/63,791.30
  6. Step 6: Final answer
    x = 68,215.45

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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.