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Finding the Fourth Proportional to 2,916.22, 4,375.37 and 1,529.54

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Solution

The fourth proportional to 2,916.22, 4,375.37 and 1,529.54 is: 2,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.22 : 4,375.37 = 1,529.54 : x
  2. Step 2: Convert to fraction form
    2,916.22/4,375.37 = 1,529.54/x
  3. Step 3: Cross multiply
    2,916.22x = 4,375.37 × 1,529.54
  4. Step 4: Simplify right side
    2,916.22x = 6,692,273.91
  5. Step 5: Solve for x
    x = 6,692,273.91/2,916.22
  6. Step 6: Final answer
    x = 2,294.85

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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.