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Finding the Fourth Proportional to 67,399.60, 101,099.40 and 29,959.60

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Solution

The fourth proportional to 67,399.60, 101,099.40 and 29,959.60 is: 44,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,399.60 : 101,099.40 = 29,959.60 : x
  2. Step 2: Convert to fraction form
    67,399.60/101,099.40 = 29,959.60/x
  3. Step 3: Cross multiply
    67,399.60x = 101,099.40 × 29,959.60
  4. Step 4: Simplify right side
    67,399.60x = 3,028,897,584.24
  5. Step 5: Solve for x
    x = 3,028,897,584.24/67,399.60
  6. Step 6: Final answer
    x = 44,939.40

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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.