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Finding the Fourth Proportional to 69,652.80, 104,407.71 and 27,515.82

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Solution

The fourth proportional to 69,652.80, 104,407.71 and 27,515.82 is: 41,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,652.80 : 104,407.71 = 27,515.82 : x
  2. Step 2: Convert to fraction form
    69,652.80/104,407.71 = 27,515.82/x
  3. Step 3: Cross multiply
    69,652.80x = 104,407.71 × 27,515.82
  4. Step 4: Simplify right side
    69,652.80x = 2,872,863,754.97
  5. Step 5: Solve for x
    x = 2,872,863,754.97/69,652.80
  6. Step 6: Final answer
    x = 41,245.49

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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.