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Finding the Fourth Proportional to 55,967.80, 83,898.92 and 27,861.25

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Solution

The fourth proportional to 55,967.80, 83,898.92 and 27,861.25 is: 41,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,967.80 : 83,898.92 = 27,861.25 : x
  2. Step 2: Convert to fraction form
    55,967.80/83,898.92 = 27,861.25/x
  3. Step 3: Cross multiply
    55,967.80x = 83,898.92 × 27,861.25
  4. Step 4: Simplify right side
    55,967.80x = 2,337,528,784.85
  5. Step 5: Solve for x
    x = 2,337,528,784.85/55,967.80
  6. Step 6: Final answer
    x = 41,765.60

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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.