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Finding the Fourth Proportional to 50,539.43, 69,744.53 and 27,879.92

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Solution

The fourth proportional to 50,539.43, 69,744.53 and 27,879.92 is: 38,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,539.43 : 69,744.53 = 27,879.92 : x
  2. Step 2: Convert to fraction form
    50,539.43/69,744.53 = 27,879.92/x
  3. Step 3: Cross multiply
    50,539.43x = 69,744.53 × 27,879.92
  4. Step 4: Simplify right side
    50,539.43x = 1,944,471,428.72
  5. Step 5: Solve for x
    x = 1,944,471,428.72/50,539.43
  6. Step 6: Final answer
    x = 38,474.35

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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.