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Finding the Fourth Proportional to 2,916.60, 4,372.12 and 967.44

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Solution

The fourth proportional to 2,916.60, 4,372.12 and 967.44 is: 1,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.60 : 4,372.12 = 967.44 : x
  2. Step 2: Convert to fraction form
    2,916.60/4,372.12 = 967.44/x
  3. Step 3: Cross multiply
    2,916.60x = 4,372.12 × 967.44
  4. Step 4: Simplify right side
    2,916.60x = 4,229,758.94
  5. Step 5: Solve for x
    x = 4,229,758.94/2,916.60
  6. Step 6: Final answer
    x = 1,450.24

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1.5x scale

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.