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Finding the Fourth Proportional to 17,006.25, 25,445.25 and 15,279.69

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Solution

The fourth proportional to 17,006.25, 25,445.25 and 15,279.69 is: 22,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,006.25 : 25,445.25 = 15,279.69 : x
  2. Step 2: Convert to fraction form
    17,006.25/25,445.25 = 15,279.69/x
  3. Step 3: Cross multiply
    17,006.25x = 25,445.25 × 15,279.69
  4. Step 4: Simplify right side
    17,006.25x = 388,795,531.97
  5. Step 5: Solve for x
    x = 388,795,531.97/17,006.25
  6. Step 6: Final answer
    x = 22,861.92

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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.