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Finding the Fourth Proportional to 16,867.17, 25,300.80 and 9,375.39

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Solution

The fourth proportional to 16,867.17, 25,300.80 and 9,375.39 is: 14,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.17 : 25,300.80 = 9,375.39 : x
  2. Step 2: Convert to fraction form
    16,867.17/25,300.80 = 9,375.39/x
  3. Step 3: Cross multiply
    16,867.17x = 25,300.80 × 9,375.39
  4. Step 4: Simplify right side
    16,867.17x = 237,204,867.31
  5. Step 5: Solve for x
    x = 237,204,867.31/16,867.17
  6. Step 6: Final answer
    x = 14,063.11

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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.