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Finding the Fourth Proportional to 3,616.02, 4,990.92 and 2,045.02

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Solution

The fourth proportional to 3,616.02, 4,990.92 and 2,045.02 is: 2,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.02 : 4,990.92 = 2,045.02 : x
  2. Step 2: Convert to fraction form
    3,616.02/4,990.92 = 2,045.02/x
  3. Step 3: Cross multiply
    3,616.02x = 4,990.92 × 2,045.02
  4. Step 4: Simplify right side
    3,616.02x = 10,206,531.22
  5. Step 5: Solve for x
    x = 10,206,531.22/3,616.02
  6. Step 6: Final answer
    x = 2,822.59

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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.