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Finding the Fourth Proportional to 2,949.22, 4,418.96 and 1,713.16

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Solution

The fourth proportional to 2,949.22, 4,418.96 and 1,713.16 is: 2,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.22 : 4,418.96 = 1,713.16 : x
  2. Step 2: Convert to fraction form
    2,949.22/4,418.96 = 1,713.16/x
  3. Step 3: Cross multiply
    2,949.22x = 4,418.96 × 1,713.16
  4. Step 4: Simplify right side
    2,949.22x = 7,570,363.42
  5. Step 5: Solve for x
    x = 7,570,363.42/2,949.22
  6. Step 6: Final answer
    x = 2,566.91

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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.