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Finding the Fourth Proportional to 57,609.86, 79,537.84 and 44,155.76

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Solution

The fourth proportional to 57,609.86, 79,537.84 and 44,155.76 is: 60,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,609.86 : 79,537.84 = 44,155.76 : x
  2. Step 2: Convert to fraction form
    57,609.86/79,537.84 = 44,155.76/x
  3. Step 3: Cross multiply
    57,609.86x = 79,537.84 × 44,155.76
  4. Step 4: Simplify right side
    57,609.86x = 3,512,053,773.96
  5. Step 5: Solve for x
    x = 3,512,053,773.96/57,609.86
  6. Step 6: Final answer
    x = 60,962.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.