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Finding the Fourth Proportional to 57,177.69, 85,799.22 and 44,662.59

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Solution

The fourth proportional to 57,177.69, 85,799.22 and 44,662.59 is: 67,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,177.69 : 85,799.22 = 44,662.59 : x
  2. Step 2: Convert to fraction form
    57,177.69/85,799.22 = 44,662.59/x
  3. Step 3: Cross multiply
    57,177.69x = 85,799.22 × 44,662.59
  4. Step 4: Simplify right side
    57,177.69x = 3,832,015,385.18
  5. Step 5: Solve for x
    x = 3,832,015,385.18/57,177.69
  6. Step 6: Final answer
    x = 67,019.42

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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.