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Finding the Fourth Proportional to 16,857.17, 25,251.87 and 8,398.17

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Solution

The fourth proportional to 16,857.17, 25,251.87 and 8,398.17 is: 12,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.17 : 25,251.87 = 8,398.17 : x
  2. Step 2: Convert to fraction form
    16,857.17/25,251.87 = 8,398.17/x
  3. Step 3: Cross multiply
    16,857.17x = 25,251.87 × 8,398.17
  4. Step 4: Simplify right side
    16,857.17x = 212,069,497.08
  5. Step 5: Solve for x
    x = 212,069,497.08/16,857.17
  6. Step 6: Final answer
    x = 12,580.38

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1.5x scale

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.