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Finding the Fourth Proportional to 1,616.14, 2,229.65 and 952.75

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Solution

The fourth proportional to 1,616.14, 2,229.65 and 952.75 is: 1,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.14 : 2,229.65 = 952.75 : x
  2. Step 2: Convert to fraction form
    1,616.14/2,229.65 = 952.75/x
  3. Step 3: Cross multiply
    1,616.14x = 2,229.65 × 952.75
  4. Step 4: Simplify right side
    1,616.14x = 2,124,287.89
  5. Step 5: Solve for x
    x = 2,124,287.89/1,616.14
  6. Step 6: Final answer
    x = 1,314.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.