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Finding the Fourth Proportional to 56,868.75, 85,299.53 and 22,211.30

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Solution

The fourth proportional to 56,868.75, 85,299.53 and 22,211.30 is: 33,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,868.75 : 85,299.53 = 22,211.30 : x
  2. Step 2: Convert to fraction form
    56,868.75/85,299.53 = 22,211.30/x
  3. Step 3: Cross multiply
    56,868.75x = 85,299.53 × 22,211.30
  4. Step 4: Simplify right side
    56,868.75x = 1,894,613,552.88
  5. Step 5: Solve for x
    x = 1,894,613,552.88/56,868.75
  6. Step 6: Final answer
    x = 33,315.55

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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.