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Finding the Fourth Proportional to 69,711.48, 104,530.14 and 27,589.86

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Solution

The fourth proportional to 69,711.48, 104,530.14 and 27,589.86 is: 41,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,711.48 : 104,530.14 = 27,589.86 : x
  2. Step 2: Convert to fraction form
    69,711.48/104,530.14 = 27,589.86/x
  3. Step 3: Cross multiply
    69,711.48x = 104,530.14 × 27,589.86
  4. Step 4: Simplify right side
    69,711.48x = 2,883,971,928.38
  5. Step 5: Solve for x
    x = 2,883,971,928.38/69,711.48
  6. Step 6: Final answer
    x = 41,370.11

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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.