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Finding the Fourth Proportional to 17,697.27, 26,545.87 and 12,133.74

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Solution

The fourth proportional to 17,697.27, 26,545.87 and 12,133.74 is: 18,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.27 : 26,545.87 = 12,133.74 : x
  2. Step 2: Convert to fraction form
    17,697.27/26,545.87 = 12,133.74/x
  3. Step 3: Cross multiply
    17,697.27x = 26,545.87 × 12,133.74
  4. Step 4: Simplify right side
    17,697.27x = 322,100,753.87
  5. Step 5: Solve for x
    x = 322,100,753.87/17,697.27
  6. Step 6: Final answer
    x = 18,200.59

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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.