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Finding the Fourth Proportional to 48,510.70, 72,716.74 and 36,799.31

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Solution

The fourth proportional to 48,510.70, 72,716.74 and 36,799.31 is: 55,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,510.70 : 72,716.74 = 36,799.31 : x
  2. Step 2: Convert to fraction form
    48,510.70/72,716.74 = 36,799.31/x
  3. Step 3: Cross multiply
    48,510.70x = 72,716.74 × 36,799.31
  4. Step 4: Simplify right side
    48,510.70x = 2,675,925,947.24
  5. Step 5: Solve for x
    x = 2,675,925,947.24/48,510.70
  6. Step 6: Final answer
    x = 55,161.56

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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.