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Finding the Fourth Proportional to 48,993.53, 73,482.42 and 13,446.55

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Solution

The fourth proportional to 48,993.53, 73,482.42 and 13,446.55 is: 20,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,993.53 : 73,482.42 = 13,446.55 : x
  2. Step 2: Convert to fraction form
    48,993.53/73,482.42 = 13,446.55/x
  3. Step 3: Cross multiply
    48,993.53x = 73,482.42 × 13,446.55
  4. Step 4: Simplify right side
    48,993.53x = 988,085,034.65
  5. Step 5: Solve for x
    x = 988,085,034.65/48,993.53
  6. Step 6: Final answer
    x = 20,167.66

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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.