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Finding the Fourth Proportional to 69,153.75, 103,721.31 and 27,004.39

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Solution

The fourth proportional to 69,153.75, 103,721.31 and 27,004.39 is: 40,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,153.75 : 103,721.31 = 27,004.39 : x
  2. Step 2: Convert to fraction form
    69,153.75/103,721.31 = 27,004.39/x
  3. Step 3: Cross multiply
    69,153.75x = 103,721.31 × 27,004.39
  4. Step 4: Simplify right side
    69,153.75x = 2,800,930,447.25
  5. Step 5: Solve for x
    x = 2,800,930,447.25/69,153.75
  6. Step 6: Final answer
    x = 40,502.94

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1.5x scale

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.