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Finding the Fourth Proportional to 60,550.97, 90,438.92 and 54,843.38

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Solution

The fourth proportional to 60,550.97, 90,438.92 and 54,843.38 is: 81,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,550.97 : 90,438.92 = 54,843.38 : x
  2. Step 2: Convert to fraction form
    60,550.97/90,438.92 = 54,843.38/x
  3. Step 3: Cross multiply
    60,550.97x = 90,438.92 × 54,843.38
  4. Step 4: Simplify right side
    60,550.97x = 4,959,975,329.94
  5. Step 5: Solve for x
    x = 4,959,975,329.94/60,550.97
  6. Step 6: Final answer
    x = 81,914.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.