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Finding the Fourth Proportional to 69,391.76, 95,760.68 and 37,560.56

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Solution

The fourth proportional to 69,391.76, 95,760.68 and 37,560.56 is: 51,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,391.76 : 95,760.68 = 37,560.56 : x
  2. Step 2: Convert to fraction form
    69,391.76/95,760.68 = 37,560.56/x
  3. Step 3: Cross multiply
    69,391.76x = 95,760.68 × 37,560.56
  4. Step 4: Simplify right side
    69,391.76x = 3,596,824,100.17
  5. Step 5: Solve for x
    x = 3,596,824,100.17/69,391.76
  6. Step 6: Final answer
    x = 51,833.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.