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Finding the Fourth Proportional to 36,951.57, 55,387.67 and 19,164.42

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Solution

The fourth proportional to 36,951.57, 55,387.67 and 19,164.42 is: 28,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,951.57 : 55,387.67 = 19,164.42 : x
  2. Step 2: Convert to fraction form
    36,951.57/55,387.67 = 19,164.42/x
  3. Step 3: Cross multiply
    36,951.57x = 55,387.67 × 19,164.42
  4. Step 4: Simplify right side
    36,951.57x = 1,061,472,792.36
  5. Step 5: Solve for x
    x = 1,061,472,792.36/36,951.57
  6. Step 6: Final answer
    x = 28,726.06

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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.