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Finding the Fourth Proportional to 69,076.76, 103,615.12 and 27,552.92

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Solution

The fourth proportional to 69,076.76, 103,615.12 and 27,552.92 is: 41,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,076.76 : 103,615.12 = 27,552.92 : x
  2. Step 2: Convert to fraction form
    69,076.76/103,615.12 = 27,552.92/x
  3. Step 3: Cross multiply
    69,076.76x = 103,615.12 × 27,552.92
  4. Step 4: Simplify right side
    69,076.76x = 2,854,899,112.15
  5. Step 5: Solve for x
    x = 2,854,899,112.15/69,076.76
  6. Step 6: Final answer
    x = 41,329.37

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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.