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Finding the Fourth Proportional to 83,751.79, 125,600.67 and 27,578.54

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Solution

The fourth proportional to 83,751.79, 125,600.67 and 27,578.54 is: 41,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,751.79 : 125,600.67 = 27,578.54 : x
  2. Step 2: Convert to fraction form
    83,751.79/125,600.67 = 27,578.54/x
  3. Step 3: Cross multiply
    83,751.79x = 125,600.67 × 27,578.54
  4. Step 4: Simplify right side
    83,751.79x = 3,463,883,415.62
  5. Step 5: Solve for x
    x = 3,463,883,415.62/83,751.79
  6. Step 6: Final answer
    x = 41,358.92

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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.