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Finding the Fourth Proportional to 17,497.52, 26,217.12 and 12,559.76

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Solution

The fourth proportional to 17,497.52, 26,217.12 and 12,559.76 is: 18,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,497.52 : 26,217.12 = 12,559.76 : x
  2. Step 2: Convert to fraction form
    17,497.52/26,217.12 = 12,559.76/x
  3. Step 3: Cross multiply
    17,497.52x = 26,217.12 × 12,559.76
  4. Step 4: Simplify right side
    17,497.52x = 329,280,735.09
  5. Step 5: Solve for x
    x = 329,280,735.09/17,497.52
  6. Step 6: Final answer
    x = 18,818.71

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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.