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Finding the Fourth Proportional to 71,709.01, 107,559.41 and 27,340.25

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Solution

The fourth proportional to 71,709.01, 107,559.41 and 27,340.25 is: 41,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,709.01 : 107,559.41 = 27,340.25 : x
  2. Step 2: Convert to fraction form
    71,709.01/107,559.41 = 27,340.25/x
  3. Step 3: Cross multiply
    71,709.01x = 107,559.41 × 27,340.25
  4. Step 4: Simplify right side
    71,709.01x = 2,940,700,484.75
  5. Step 5: Solve for x
    x = 2,940,700,484.75/71,709.01
  6. Step 6: Final answer
    x = 41,008.80

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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.