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Finding the Fourth Proportional to 36,761.70, 55,171.35 and 17,042.70

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Solution

The fourth proportional to 36,761.70, 55,171.35 and 17,042.70 is: 25,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,761.70 : 55,171.35 = 17,042.70 : x
  2. Step 2: Convert to fraction form
    36,761.70/55,171.35 = 17,042.70/x
  3. Step 3: Cross multiply
    36,761.70x = 55,171.35 × 17,042.70
  4. Step 4: Simplify right side
    36,761.70x = 940,268,766.65
  5. Step 5: Solve for x
    x = 940,268,766.65/36,761.70
  6. Step 6: Final answer
    x = 25,577.40

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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.