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Finding the Fourth Proportional to 67,387.60, 101,081.40 and 22,999.60

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Solution

The fourth proportional to 67,387.60, 101,081.40 and 22,999.60 is: 34,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,387.60 : 101,081.40 = 22,999.60 : x
  2. Step 2: Convert to fraction form
    67,387.60/101,081.40 = 22,999.60/x
  3. Step 3: Cross multiply
    67,387.60x = 101,081.40 × 22,999.60
  4. Step 4: Simplify right side
    67,387.60x = 2,324,831,767.44
  5. Step 5: Solve for x
    x = 2,324,831,767.44/67,387.60
  6. Step 6: Final answer
    x = 34,499.40

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Similar ratio
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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.