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Finding the Fourth Proportional to 56,359.85, 84,502.26 and 33,819.78

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Solution

The fourth proportional to 56,359.85, 84,502.26 and 33,819.78 is: 50,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.85 : 84,502.26 = 33,819.78 : x
  2. Step 2: Convert to fraction form
    56,359.85/84,502.26 = 33,819.78/x
  3. Step 3: Cross multiply
    56,359.85x = 84,502.26 × 33,819.78
  4. Step 4: Simplify right side
    56,359.85x = 2,857,847,842.70
  5. Step 5: Solve for x
    x = 2,857,847,842.70/56,359.85
  6. Step 6: Final answer
    x = 50,707.16

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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.