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Finding the Fourth Proportional to 1,616.10, 2,230.84 and 952.98

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Solution

The fourth proportional to 1,616.10, 2,230.84 and 952.98 is: 1,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.10 : 2,230.84 = 952.98 : x
  2. Step 2: Convert to fraction form
    1,616.10/2,230.84 = 952.98/x
  3. Step 3: Cross multiply
    1,616.10x = 2,230.84 × 952.98
  4. Step 4: Simplify right side
    1,616.10x = 2,125,945.90
  5. Step 5: Solve for x
    x = 2,125,945.90/1,616.10
  6. Step 6: Final answer
    x = 1,315.48

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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.