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Finding the Fourth Proportional to 24,694.40, 34,078.27 and 13,363.89

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Solution

The fourth proportional to 24,694.40, 34,078.27 and 13,363.89 is: 18,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,694.40 : 34,078.27 = 13,363.89 : x
  2. Step 2: Convert to fraction form
    24,694.40/34,078.27 = 13,363.89/x
  3. Step 3: Cross multiply
    24,694.40x = 34,078.27 × 13,363.89
  4. Step 4: Simplify right side
    24,694.40x = 455,418,338.93
  5. Step 5: Solve for x
    x = 455,418,338.93/24,694.40
  6. Step 6: Final answer
    x = 18,442.17

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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.