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Finding the Fourth Proportional to 17,251.27, 25,875.99 and 5,564.49

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Solution

The fourth proportional to 17,251.27, 25,875.99 and 5,564.49 is: 8,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.27 : 25,875.99 = 5,564.49 : x
  2. Step 2: Convert to fraction form
    17,251.27/25,875.99 = 5,564.49/x
  3. Step 3: Cross multiply
    17,251.27x = 25,875.99 × 5,564.49
  4. Step 4: Simplify right side
    17,251.27x = 143,986,687.60
  5. Step 5: Solve for x
    x = 143,986,687.60/17,251.27
  6. Step 6: Final answer
    x = 8,346.44

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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.