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Finding the Fourth Proportional to 2,616.57, 3,608.10 and 2,196.63

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Solution

The fourth proportional to 2,616.57, 3,608.10 and 2,196.63 is: 3,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.57 : 3,608.10 = 2,196.63 : x
  2. Step 2: Convert to fraction form
    2,616.57/3,608.10 = 2,196.63/x
  3. Step 3: Cross multiply
    2,616.57x = 3,608.10 × 2,196.63
  4. Step 4: Simplify right side
    2,616.57x = 7,925,660.70
  5. Step 5: Solve for x
    x = 7,925,660.70/2,616.57
  6. Step 6: Final answer
    x = 3,029.03

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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.