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Finding the Fourth Proportional to 49,672.65, 74,508.98 and 46,367.85

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Solution

The fourth proportional to 49,672.65, 74,508.98 and 46,367.85 is: 69,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,672.65 : 74,508.98 = 46,367.85 : x
  2. Step 2: Convert to fraction form
    49,672.65/74,508.98 = 46,367.85/x
  3. Step 3: Cross multiply
    49,672.65x = 74,508.98 × 46,367.85
  4. Step 4: Simplify right side
    49,672.65x = 3,454,820,976.45
  5. Step 5: Solve for x
    x = 3,454,820,976.45/49,672.65
  6. Step 6: Final answer
    x = 69,551.78

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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.