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Finding the Fourth Proportional to 54,445.50, 81,713.29 and 27,811.19

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Solution

The fourth proportional to 54,445.50, 81,713.29 and 27,811.19 is: 41,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445.50 : 81,713.29 = 27,811.19 : x
  2. Step 2: Convert to fraction form
    54,445.50/81,713.29 = 27,811.19/x
  3. Step 3: Cross multiply
    54,445.50x = 81,713.29 × 27,811.19
  4. Step 4: Simplify right side
    54,445.50x = 2,272,543,833.72
  5. Step 5: Solve for x
    x = 2,272,543,833.72/54,445.50
  6. Step 6: Final answer
    x = 41,739.79

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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.