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Finding the Fourth Proportional to 5,093.71, 7,641.67 and 1,583.65

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Solution

The fourth proportional to 5,093.71, 7,641.67 and 1,583.65 is: 2,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.71 : 7,641.67 = 1,583.65 : x
  2. Step 2: Convert to fraction form
    5,093.71/7,641.67 = 1,583.65/x
  3. Step 3: Cross multiply
    5,093.71x = 7,641.67 × 1,583.65
  4. Step 4: Simplify right side
    5,093.71x = 12,101,734.80
  5. Step 5: Solve for x
    x = 12,101,734.80/5,093.71
  6. Step 6: Final answer
    x = 2,375.82

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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.