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Finding the Fourth Proportional to 73,370.76, 101,251.66 and 39,836.76

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Solution

The fourth proportional to 73,370.76, 101,251.66 and 39,836.76 is: 54,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,370.76 : 101,251.66 = 39,836.76 : x
  2. Step 2: Convert to fraction form
    73,370.76/101,251.66 = 39,836.76/x
  3. Step 3: Cross multiply
    73,370.76x = 101,251.66 × 39,836.76
  4. Step 4: Simplify right side
    73,370.76x = 4,033,538,079.02
  5. Step 5: Solve for x
    x = 4,033,538,079.02/73,370.76
  6. Step 6: Final answer
    x = 54,974.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.