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Finding the Fourth Proportional to 48,242.62, 72,239.31 and 33,295.87

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Solution

The fourth proportional to 48,242.62, 72,239.31 and 33,295.87 is: 49,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,242.62 : 72,239.31 = 33,295.87 : x
  2. Step 2: Convert to fraction form
    48,242.62/72,239.31 = 33,295.87/x
  3. Step 3: Cross multiply
    48,242.62x = 72,239.31 × 33,295.87
  4. Step 4: Simplify right side
    48,242.62x = 2,405,270,674.65
  5. Step 5: Solve for x
    x = 2,405,270,674.65/48,242.62
  6. Step 6: Final answer
    x = 49,857.80

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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.