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Finding the Fourth Proportional to 57,228.29, 85,861.11 and 27,649.52

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Solution

The fourth proportional to 57,228.29, 85,861.11 and 27,649.52 is: 41,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,228.29 : 85,861.11 = 27,649.52 : x
  2. Step 2: Convert to fraction form
    57,228.29/85,861.11 = 27,649.52/x
  3. Step 3: Cross multiply
    57,228.29x = 85,861.11 × 27,649.52
  4. Step 4: Simplify right side
    57,228.29x = 2,374,018,478.17
  5. Step 5: Solve for x
    x = 2,374,018,478.17/57,228.29
  6. Step 6: Final answer
    x = 41,483.30

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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.