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Finding the Fourth Proportional to 50,295.48, 75,479.76 and 40,552.44

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Solution

The fourth proportional to 50,295.48, 75,479.76 and 40,552.44 is: 60,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,295.48 : 75,479.76 = 40,552.44 : x
  2. Step 2: Convert to fraction form
    50,295.48/75,479.76 = 40,552.44/x
  3. Step 3: Cross multiply
    50,295.48x = 75,479.76 × 40,552.44
  4. Step 4: Simplify right side
    50,295.48x = 3,060,888,438.61
  5. Step 5: Solve for x
    x = 3,060,888,438.61/50,295.48
  6. Step 6: Final answer
    x = 60,858.12

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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.