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Finding the Fourth Proportional to 24,721.84, 34,115.92 and 13,391.08

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Solution

The fourth proportional to 24,721.84, 34,115.92 and 13,391.08 is: 18,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,721.84 : 34,115.92 = 13,391.08 : x
  2. Step 2: Convert to fraction form
    24,721.84/34,115.92 = 13,391.08/x
  3. Step 3: Cross multiply
    24,721.84x = 34,115.92 × 13,391.08
  4. Step 4: Simplify right side
    24,721.84x = 456,849,013.99
  5. Step 5: Solve for x
    x = 456,849,013.99/24,721.84
  6. Step 6: Final answer
    x = 18,479.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.