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Finding the Fourth Proportional to 67,380.96, 101,082.16 and 22,403.92

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Solution

The fourth proportional to 67,380.96, 101,082.16 and 22,403.92 is: 33,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,380.96 : 101,082.16 = 22,403.92 : x
  2. Step 2: Convert to fraction form
    67,380.96/101,082.16 = 22,403.92/x
  3. Step 3: Cross multiply
    67,380.96x = 101,082.16 × 22,403.92
  4. Step 4: Simplify right side
    67,380.96x = 2,264,636,626.07
  5. Step 5: Solve for x
    x = 2,264,636,626.07/67,380.96
  6. Step 6: Final answer
    x = 33,609.44

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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.