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Finding the Fourth Proportional to 69,472.48, 104,228.88 and 27,916.96

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Solution

The fourth proportional to 69,472.48, 104,228.88 and 27,916.96 is: 41,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,472.48 : 104,228.88 = 27,916.96 : x
  2. Step 2: Convert to fraction form
    69,472.48/104,228.88 = 27,916.96/x
  3. Step 3: Cross multiply
    69,472.48x = 104,228.88 × 27,916.96
  4. Step 4: Simplify right side
    69,472.48x = 2,909,753,473.80
  5. Step 5: Solve for x
    x = 2,909,753,473.80/69,472.48
  6. Step 6: Final answer
    x = 41,883.54

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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.