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Finding the Fourth Proportional to 2,252.16, 3,375.18 and 864.18

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Solution

The fourth proportional to 2,252.16, 3,375.18 and 864.18 is: 1,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.16 : 3,375.18 = 864.18 : x
  2. Step 2: Convert to fraction form
    2,252.16/3,375.18 = 864.18/x
  3. Step 3: Cross multiply
    2,252.16x = 3,375.18 × 864.18
  4. Step 4: Simplify right side
    2,252.16x = 2,916,763.05
  5. Step 5: Solve for x
    x = 2,916,763.05/2,252.16
  6. Step 6: Final answer
    x = 1,295.10

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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.