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Finding the Fourth Proportional to 17,591.50, 26,387.43 and 8,228.71

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Solution

The fourth proportional to 17,591.50, 26,387.43 and 8,228.71 is: 12,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,591.50 : 26,387.43 = 8,228.71 : x
  2. Step 2: Convert to fraction form
    17,591.50/26,387.43 = 8,228.71/x
  3. Step 3: Cross multiply
    17,591.50x = 26,387.43 × 8,228.71
  4. Step 4: Simplify right side
    17,591.50x = 217,134,509.12
  5. Step 5: Solve for x
    x = 217,134,509.12/17,591.50
  6. Step 6: Final answer
    x = 12,343.15

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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.