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Finding the Fourth Proportional to 67,335.68, 101,003.52 and 20,588.56

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Solution

The fourth proportional to 67,335.68, 101,003.52 and 20,588.56 is: 30,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,335.68 : 101,003.52 = 20,588.56 : x
  2. Step 2: Convert to fraction form
    67,335.68/101,003.52 = 20,588.56/x
  3. Step 3: Cross multiply
    67,335.68x = 101,003.52 × 20,588.56
  4. Step 4: Simplify right side
    67,335.68x = 2,079,517,031.73
  5. Step 5: Solve for x
    x = 2,079,517,031.73/67,335.68
  6. Step 6: Final answer
    x = 30,882.84

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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.