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Finding the Fourth Proportional to 16,859.52, 25,292.86 and 5,013.32

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Solution

The fourth proportional to 16,859.52, 25,292.86 and 5,013.32 is: 7,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.52 : 25,292.86 = 5,013.32 : x
  2. Step 2: Convert to fraction form
    16,859.52/25,292.86 = 5,013.32/x
  3. Step 3: Cross multiply
    16,859.52x = 25,292.86 × 5,013.32
  4. Step 4: Simplify right side
    16,859.52x = 126,801,133.03
  5. Step 5: Solve for x
    x = 126,801,133.03/16,859.52
  6. Step 6: Final answer
    x = 7,521.04

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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.