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Finding the Fourth Proportional to 57,220.67, 85,849.64 and 27,641.90

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Solution

The fourth proportional to 57,220.67, 85,849.64 and 27,641.90 is: 41,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,220.67 : 85,849.64 = 27,641.90 : x
  2. Step 2: Convert to fraction form
    57,220.67/85,849.64 = 27,641.90/x
  3. Step 3: Cross multiply
    57,220.67x = 85,849.64 × 27,641.90
  4. Step 4: Simplify right side
    57,220.67x = 2,373,046,596.46
  5. Step 5: Solve for x
    x = 2,373,046,596.46/57,220.67
  6. Step 6: Final answer
    x = 41,471.85

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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.