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Finding the Fourth Proportional to 17,013.52, 25,521 and 5,326.48

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Solution

The fourth proportional to 17,013.52, 25,521 and 5,326.48 is: 7,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,013.52 : 25,521 = 5,326.48 : x
  2. Step 2: Convert to fraction form
    17,013.52/25,521 = 5,326.48/x
  3. Step 3: Cross multiply
    17,013.52x = 25,521 × 5,326.48
  4. Step 4: Simplify right side
    17,013.52x = 135,937,096.08
  5. Step 5: Solve for x
    x = 135,937,096.08/17,013.52
  6. Step 6: Final answer
    x = 7,989.95

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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.