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Finding the Fourth Proportional to 67,612.68, 101,436.84 and 25,493.40

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Solution

The fourth proportional to 67,612.68, 101,436.84 and 25,493.40 is: 38,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,612.68 : 101,436.84 = 25,493.40 : x
  2. Step 2: Convert to fraction form
    67,612.68/101,436.84 = 25,493.40/x
  3. Step 3: Cross multiply
    67,612.68x = 101,436.84 × 25,493.40
  4. Step 4: Simplify right side
    67,612.68x = 2,585,969,936.86
  5. Step 5: Solve for x
    x = 2,585,969,936.86/67,612.68
  6. Step 6: Final answer
    x = 38,246.82

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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.