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Finding the Fourth Proportional to 40,114.80, 60,138.18 and 22,589.64

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Solution

The fourth proportional to 40,114.80, 60,138.18 and 22,589.64 is: 33,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,114.80 : 60,138.18 = 22,589.64 : x
  2. Step 2: Convert to fraction form
    40,114.80/60,138.18 = 22,589.64/x
  3. Step 3: Cross multiply
    40,114.80x = 60,138.18 × 22,589.64
  4. Step 4: Simplify right side
    40,114.80x = 1,358,499,836.46
  5. Step 5: Solve for x
    x = 1,358,499,836.46/40,114.80
  6. Step 6: Final answer
    x = 33,865.30

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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.