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Finding the Fourth Proportional to 65,998.80, 99,044.37 and 26,559.90

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Solution

The fourth proportional to 65,998.80, 99,044.37 and 26,559.90 is: 39,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,998.80 : 99,044.37 = 26,559.90 : x
  2. Step 2: Convert to fraction form
    65,998.80/99,044.37 = 26,559.90/x
  3. Step 3: Cross multiply
    65,998.80x = 99,044.37 × 26,559.90
  4. Step 4: Simplify right side
    65,998.80x = 2,630,608,562.76
  5. Step 5: Solve for x
    x = 2,630,608,562.76/65,998.80
  6. Step 6: Final answer
    x = 39,858.43

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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.