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Finding the Fourth Proportional to 2,916.95, 4,375.42 and 2,483.24

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Solution

The fourth proportional to 2,916.95, 4,375.42 and 2,483.24 is: 3,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.95 : 4,375.42 = 2,483.24 : x
  2. Step 2: Convert to fraction form
    2,916.95/4,375.42 = 2,483.24/x
  3. Step 3: Cross multiply
    2,916.95x = 4,375.42 × 2,483.24
  4. Step 4: Simplify right side
    2,916.95x = 10,865,189.88
  5. Step 5: Solve for x
    x = 10,865,189.88/2,916.95
  6. Step 6: Final answer
    x = 3,724.85

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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.