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Finding the Fourth Proportional to 58,791.26, 88,153.68 and 19,337.78

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Solution

The fourth proportional to 58,791.26, 88,153.68 and 19,337.78 is: 28,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,791.26 : 88,153.68 = 19,337.78 : x
  2. Step 2: Convert to fraction form
    58,791.26/88,153.68 = 19,337.78/x
  3. Step 3: Cross multiply
    58,791.26x = 88,153.68 × 19,337.78
  4. Step 4: Simplify right side
    58,791.26x = 1,704,696,470.03
  5. Step 5: Solve for x
    x = 1,704,696,470.03/58,791.26
  6. Step 6: Final answer
    x = 28,995.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.