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Finding the Fourth Proportional to 50,543.61, 69,747.72 and 27,883.86

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Solution

The fourth proportional to 50,543.61, 69,747.72 and 27,883.86 is: 38,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,543.61 : 69,747.72 = 27,883.86 : x
  2. Step 2: Convert to fraction form
    50,543.61/69,747.72 = 27,883.86/x
  3. Step 3: Cross multiply
    50,543.61x = 69,747.72 × 27,883.86
  4. Step 4: Simplify right side
    50,543.61x = 1,944,835,659.80
  5. Step 5: Solve for x
    x = 1,944,835,659.80/50,543.61
  6. Step 6: Final answer
    x = 38,478.37

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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.