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Finding the Fourth Proportional to 56,375.75, 84,502.49 and 28,227.94

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Solution

The fourth proportional to 56,375.75, 84,502.49 and 28,227.94 is: 42,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,375.75 : 84,502.49 = 28,227.94 : x
  2. Step 2: Convert to fraction form
    56,375.75/84,502.49 = 28,227.94/x
  3. Step 3: Cross multiply
    56,375.75x = 84,502.49 × 28,227.94
  4. Step 4: Simplify right side
    56,375.75x = 2,385,331,182.06
  5. Step 5: Solve for x
    x = 2,385,331,182.06/56,375.75
  6. Step 6: Final answer
    x = 42,311.30

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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.