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Finding the Fourth Proportional to 53,833.91, 80,347.76 and 50,290.97

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Solution

The fourth proportional to 53,833.91, 80,347.76 and 50,290.97 is: 75,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,833.91 : 80,347.76 = 50,290.97 : x
  2. Step 2: Convert to fraction form
    53,833.91/80,347.76 = 50,290.97/x
  3. Step 3: Cross multiply
    53,833.91x = 80,347.76 × 50,290.97
  4. Step 4: Simplify right side
    53,833.91x = 4,040,766,134.53
  5. Step 5: Solve for x
    x = 4,040,766,134.53/53,833.91
  6. Step 6: Final answer
    x = 75,059.87

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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.