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Finding the Fourth Proportional to 45,404.70, 67,977.45 and 44,108.70

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Solution

The fourth proportional to 45,404.70, 67,977.45 and 44,108.70 is: 66,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,404.70 : 67,977.45 = 44,108.70 : x
  2. Step 2: Convert to fraction form
    45,404.70/67,977.45 = 44,108.70/x
  3. Step 3: Cross multiply
    45,404.70x = 67,977.45 × 44,108.70
  4. Step 4: Simplify right side
    45,404.70x = 2,998,396,948.82
  5. Step 5: Solve for x
    x = 2,998,396,948.82/45,404.70
  6. Step 6: Final answer
    x = 66,037.15

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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.