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Finding the Fourth Proportional to 17,061.30, 25,595.55 and 5,375.70

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Solution

The fourth proportional to 17,061.30, 25,595.55 and 5,375.70 is: 8,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,061.30 : 25,595.55 = 5,375.70 : x
  2. Step 2: Convert to fraction form
    17,061.30/25,595.55 = 5,375.70/x
  3. Step 3: Cross multiply
    17,061.30x = 25,595.55 × 5,375.70
  4. Step 4: Simplify right side
    17,061.30x = 137,593,998.14
  5. Step 5: Solve for x
    x = 137,593,998.14/17,061.30
  6. Step 6: Final answer
    x = 8,064.68

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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.