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Finding the Fourth Proportional to 67,388.28, 101,081.04 and 29,938.20

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Solution

The fourth proportional to 67,388.28, 101,081.04 and 29,938.20 is: 44,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,388.28 : 101,081.04 = 29,938.20 : x
  2. Step 2: Convert to fraction form
    67,388.28/101,081.04 = 29,938.20/x
  3. Step 3: Cross multiply
    67,388.28x = 101,081.04 × 29,938.20
  4. Step 4: Simplify right side
    67,388.28x = 3,026,184,391.73
  5. Step 5: Solve for x
    x = 3,026,184,391.73/67,388.28
  6. Step 6: Final answer
    x = 44,906.69

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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.