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Finding the Fourth Proportional to 2,916.46, 4,371.84 and 967.36

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Solution

The fourth proportional to 2,916.46, 4,371.84 and 967.36 is: 1,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.46 : 4,371.84 = 967.36 : x
  2. Step 2: Convert to fraction form
    2,916.46/4,371.84 = 967.36/x
  3. Step 3: Cross multiply
    2,916.46x = 4,371.84 × 967.36
  4. Step 4: Simplify right side
    2,916.46x = 4,229,143.14
  5. Step 5: Solve for x
    x = 4,229,143.14/2,916.46
  6. Step 6: Final answer
    x = 1,450.09

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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.