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Finding the Fourth Proportional to 68,381.91, 102,591.72 and 24,002.82

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Solution

The fourth proportional to 68,381.91, 102,591.72 and 24,002.82 is: 36,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,381.91 : 102,591.72 = 24,002.82 : x
  2. Step 2: Convert to fraction form
    68,381.91/102,591.72 = 24,002.82/x
  3. Step 3: Cross multiply
    68,381.91x = 102,591.72 × 24,002.82
  4. Step 4: Simplify right side
    68,381.91x = 2,462,490,588.65
  5. Step 5: Solve for x
    x = 2,462,490,588.65/68,381.91
  6. Step 6: Final answer
    x = 36,010.85

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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.