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Finding the Fourth Proportional to 67,891.88, 101,836.70 and 27,902.76

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Solution

The fourth proportional to 67,891.88, 101,836.70 and 27,902.76 is: 41,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,891.88 : 101,836.70 = 27,902.76 : x
  2. Step 2: Convert to fraction form
    67,891.88/101,836.70 = 27,902.76/x
  3. Step 3: Cross multiply
    67,891.88x = 101,836.70 × 27,902.76
  4. Step 4: Simplify right side
    67,891.88x = 2,841,524,999.29
  5. Step 5: Solve for x
    x = 2,841,524,999.29/67,891.88
  6. Step 6: Final answer
    x = 41,853.68

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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.