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Finding the Fourth Proportional to 55,160.79, 82,761.23 and 27,077.88

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Solution

The fourth proportional to 55,160.79, 82,761.23 and 27,077.88 is: 40,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,160.79 : 82,761.23 = 27,077.88 : x
  2. Step 2: Convert to fraction form
    55,160.79/82,761.23 = 27,077.88/x
  3. Step 3: Cross multiply
    55,160.79x = 82,761.23 × 27,077.88
  4. Step 4: Simplify right side
    55,160.79x = 2,240,998,654.59
  5. Step 5: Solve for x
    x = 2,240,998,654.59/55,160.79
  6. Step 6: Final answer
    x = 40,626.66

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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.