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Finding the Fourth Proportional to 18,498, 25,527.87 and 10,115.04

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Solution

The fourth proportional to 18,498, 25,527.87 and 10,115.04 is: 13,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498 : 25,527.87 = 10,115.04 : x
  2. Step 2: Convert to fraction form
    18,498/25,527.87 = 10,115.04/x
  3. Step 3: Cross multiply
    18,498x = 25,527.87 × 10,115.04
  4. Step 4: Simplify right side
    18,498x = 258,215,426.16
  5. Step 5: Solve for x
    x = 258,215,426.16/18,498
  6. Step 6: Final answer
    x = 13,959.10

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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.