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Finding the Fourth Proportional to 4,949.14, 7,419.72 and 2,482.66

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Solution

The fourth proportional to 4,949.14, 7,419.72 and 2,482.66 is: 3,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.14 : 7,419.72 = 2,482.66 : x
  2. Step 2: Convert to fraction form
    4,949.14/7,419.72 = 2,482.66/x
  3. Step 3: Cross multiply
    4,949.14x = 7,419.72 × 2,482.66
  4. Step 4: Simplify right side
    4,949.14x = 18,420,642.06
  5. Step 5: Solve for x
    x = 18,420,642.06/4,949.14
  6. Step 6: Final answer
    x = 3,721.99

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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.