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Finding the Fourth Proportional to 67,404.59, 101,098.07 and 20,018.70

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Solution

The fourth proportional to 67,404.59, 101,098.07 and 20,018.70 is: 30,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,404.59 : 101,098.07 = 20,018.70 : x
  2. Step 2: Convert to fraction form
    67,404.59/101,098.07 = 20,018.70/x
  3. Step 3: Cross multiply
    67,404.59x = 101,098.07 × 20,018.70
  4. Step 4: Simplify right side
    67,404.59x = 2,023,851,833.82
  5. Step 5: Solve for x
    x = 2,023,851,833.82/67,404.59
  6. Step 6: Final answer
    x = 30,025.43

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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.