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Finding the Fourth Proportional to 60,379.65, 83,324.21 and 37,731.80

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Solution

The fourth proportional to 60,379.65, 83,324.21 and 37,731.80 is: 52,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,379.65 : 83,324.21 = 37,731.80 : x
  2. Step 2: Convert to fraction form
    60,379.65/83,324.21 = 37,731.80/x
  3. Step 3: Cross multiply
    60,379.65x = 83,324.21 × 37,731.80
  4. Step 4: Simplify right side
    60,379.65x = 3,143,972,426.88
  5. Step 5: Solve for x
    x = 3,143,972,426.88/60,379.65
  6. Step 6: Final answer
    x = 52,070.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.