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Finding the Fourth Proportional to 17,049.30, 25,507.13 and 11,217.30

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Solution

The fourth proportional to 17,049.30, 25,507.13 and 11,217.30 is: 16,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,049.30 : 25,507.13 = 11,217.30 : x
  2. Step 2: Convert to fraction form
    17,049.30/25,507.13 = 11,217.30/x
  3. Step 3: Cross multiply
    17,049.30x = 25,507.13 × 11,217.30
  4. Step 4: Simplify right side
    17,049.30x = 286,121,073.26
  5. Step 5: Solve for x
    x = 286,121,073.26/17,049.30
  6. Step 6: Final answer
    x = 16,781.98

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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.