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Finding the Fourth Proportional to 48,510.88, 72,766.34 and 21,825.71

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Solution

The fourth proportional to 48,510.88, 72,766.34 and 21,825.71 is: 32,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,510.88 : 72,766.34 = 21,825.71 : x
  2. Step 2: Convert to fraction form
    48,510.88/72,766.34 = 21,825.71/x
  3. Step 3: Cross multiply
    48,510.88x = 72,766.34 × 21,825.71
  4. Step 4: Simplify right side
    48,510.88x = 1,588,177,034.60
  5. Step 5: Solve for x
    x = 1,588,177,034.60/48,510.88
  6. Step 6: Final answer
    x = 32,738.57

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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.