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Finding the Fourth Proportional to 57,236.40, 85,830.30 and 27,663.30

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Solution

The fourth proportional to 57,236.40, 85,830.30 and 27,663.30 is: 41,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.40 : 85,830.30 = 27,663.30 : x
  2. Step 2: Convert to fraction form
    57,236.40/85,830.30 = 27,663.30/x
  3. Step 3: Cross multiply
    57,236.40x = 85,830.30 × 27,663.30
  4. Step 4: Simplify right side
    57,236.40x = 2,374,349,337.99
  5. Step 5: Solve for x
    x = 2,374,349,337.99/57,236.40
  6. Step 6: Final answer
    x = 41,483.21

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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.