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Finding the Fourth Proportional to 50,543.79, 75,657.92 and 37,231.79

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Solution

The fourth proportional to 50,543.79, 75,657.92 and 37,231.79 is: 55,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,543.79 : 75,657.92 = 37,231.79 : x
  2. Step 2: Convert to fraction form
    50,543.79/75,657.92 = 37,231.79/x
  3. Step 3: Cross multiply
    50,543.79x = 75,657.92 × 37,231.79
  4. Step 4: Simplify right side
    50,543.79x = 2,816,879,603.12
  5. Step 5: Solve for x
    x = 2,816,879,603.12/50,543.79
  6. Step 6: Final answer
    x = 55,731.47

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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.