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Finding the Fourth Proportional to 17,601.87, 26,400.05 and 5,755.55

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Solution

The fourth proportional to 17,601.87, 26,400.05 and 5,755.55 is: 8,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.87 : 26,400.05 = 5,755.55 : x
  2. Step 2: Convert to fraction form
    17,601.87/26,400.05 = 5,755.55/x
  3. Step 3: Cross multiply
    17,601.87x = 26,400.05 × 5,755.55
  4. Step 4: Simplify right side
    17,601.87x = 151,946,807.78
  5. Step 5: Solve for x
    x = 151,946,807.78/17,601.87
  6. Step 6: Final answer
    x = 8,632.42

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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.