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Finding the Fourth Proportional to 69,754.68, 104,634.76 and 36,452.12

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Solution

The fourth proportional to 69,754.68, 104,634.76 and 36,452.12 is: 54,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,754.68 : 104,634.76 = 36,452.12 : x
  2. Step 2: Convert to fraction form
    69,754.68/104,634.76 = 36,452.12/x
  3. Step 3: Cross multiply
    69,754.68x = 104,634.76 × 36,452.12
  4. Step 4: Simplify right side
    69,754.68x = 3,814,158,827.69
  5. Step 5: Solve for x
    x = 3,814,158,827.69/69,754.68
  6. Step 6: Final answer
    x = 54,679.61

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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.