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Finding the Fourth Proportional to 69,032.67, 103,569.17 and 27,485.79

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Solution

The fourth proportional to 69,032.67, 103,569.17 and 27,485.79 is: 41,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,032.67 : 103,569.17 = 27,485.79 : x
  2. Step 2: Convert to fraction form
    69,032.67/103,569.17 = 27,485.79/x
  3. Step 3: Cross multiply
    69,032.67x = 103,569.17 × 27,485.79
  4. Step 4: Simplify right side
    69,032.67x = 2,846,680,319.67
  5. Step 5: Solve for x
    x = 2,846,680,319.67/69,032.67
  6. Step 6: Final answer
    x = 41,236.71

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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.