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Finding the Fourth Proportional to 67,373.92, 101,060.96 and 20,626.56

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Solution

The fourth proportional to 67,373.92, 101,060.96 and 20,626.56 is: 30,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,373.92 : 101,060.96 = 20,626.56 : x
  2. Step 2: Convert to fraction form
    67,373.92/101,060.96 = 20,626.56/x
  3. Step 3: Cross multiply
    67,373.92x = 101,060.96 × 20,626.56
  4. Step 4: Simplify right side
    67,373.92x = 2,084,539,955.10
  5. Step 5: Solve for x
    x = 2,084,539,955.10/67,373.92
  6. Step 6: Final answer
    x = 30,939.86

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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.