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Finding the Fourth Proportional to 69,077.76, 103,616.62 and 27,553.92

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Solution

The fourth proportional to 69,077.76, 103,616.62 and 27,553.92 is: 41,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,077.76 : 103,616.62 = 27,553.92 : x
  2. Step 2: Convert to fraction form
    69,077.76/103,616.62 = 27,553.92/x
  3. Step 3: Cross multiply
    69,077.76x = 103,616.62 × 27,553.92
  4. Step 4: Simplify right side
    69,077.76x = 2,855,044,058.15
  5. Step 5: Solve for x
    x = 2,855,044,058.15/69,077.76
  6. Step 6: Final answer
    x = 41,330.87

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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.