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Finding the Fourth Proportional to 69,076.51, 95,324.53 and 38,861.82

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Solution

The fourth proportional to 69,076.51, 95,324.53 and 38,861.82 is: 53,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,076.51 : 95,324.53 = 38,861.82 : x
  2. Step 2: Convert to fraction form
    69,076.51/95,324.53 = 38,861.82/x
  3. Step 3: Cross multiply
    69,076.51x = 95,324.53 × 38,861.82
  4. Step 4: Simplify right side
    69,076.51x = 3,704,484,726.44
  5. Step 5: Solve for x
    x = 3,704,484,726.44/69,076.51
  6. Step 6: Final answer
    x = 53,628.72

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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.