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Finding the Fourth Proportional to 54,843.57, 75,684.12 and 29,693.07

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Solution

The fourth proportional to 54,843.57, 75,684.12 and 29,693.07 is: 40,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,843.57 : 75,684.12 = 29,693.07 : x
  2. Step 2: Convert to fraction form
    54,843.57/75,684.12 = 29,693.07/x
  3. Step 3: Cross multiply
    54,843.57x = 75,684.12 × 29,693.07
  4. Step 4: Simplify right side
    54,843.57x = 2,247,293,873.05
  5. Step 5: Solve for x
    x = 2,247,293,873.05/54,843.57
  6. Step 6: Final answer
    x = 40,976.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.