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Finding the Fourth Proportional to 70,791.52, 97,691.52 and 49,563.04

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Solution

The fourth proportional to 70,791.52, 97,691.52 and 49,563.04 is: 68,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,791.52 : 97,691.52 = 49,563.04 : x
  2. Step 2: Convert to fraction form
    70,791.52/97,691.52 = 49,563.04/x
  3. Step 3: Cross multiply
    70,791.52x = 97,691.52 × 49,563.04
  4. Step 4: Simplify right side
    70,791.52x = 4,841,888,713.42
  5. Step 5: Solve for x
    x = 4,841,888,713.42/70,791.52
  6. Step 6: Final answer
    x = 68,396.45

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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.