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Finding the Fourth Proportional to 17,157.52, 25,715.76 and 8,841.52

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Solution

The fourth proportional to 17,157.52, 25,715.76 and 8,841.52 is: 13,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.52 : 25,715.76 = 8,841.52 : x
  2. Step 2: Convert to fraction form
    17,157.52/25,715.76 = 8,841.52/x
  3. Step 3: Cross multiply
    17,157.52x = 25,715.76 × 8,841.52
  4. Step 4: Simplify right side
    17,157.52x = 227,366,406.36
  5. Step 5: Solve for x
    x = 227,366,406.36/17,157.52
  6. Step 6: Final answer
    x = 13,251.71

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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.