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Finding the Fourth Proportional to 4,916.61, 7,375.50 and 1,995.75

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Solution

The fourth proportional to 4,916.61, 7,375.50 and 1,995.75 is: 2,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.61 : 7,375.50 = 1,995.75 : x
  2. Step 2: Convert to fraction form
    4,916.61/7,375.50 = 1,995.75/x
  3. Step 3: Cross multiply
    4,916.61x = 7,375.50 × 1,995.75
  4. Step 4: Simplify right side
    4,916.61x = 14,719,654.13
  5. Step 5: Solve for x
    x = 14,719,654.13/4,916.61
  6. Step 6: Final answer
    x = 2,993.86

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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.