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Finding the Fourth Proportional to 2,993.72, 4,482.04 and 1,954.88

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Solution

The fourth proportional to 2,993.72, 4,482.04 and 1,954.88 is: 2,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.72 : 4,482.04 = 1,954.88 : x
  2. Step 2: Convert to fraction form
    2,993.72/4,482.04 = 1,954.88/x
  3. Step 3: Cross multiply
    2,993.72x = 4,482.04 × 1,954.88
  4. Step 4: Simplify right side
    2,993.72x = 8,761,850.36
  5. Step 5: Solve for x
    x = 8,761,850.36/2,993.72
  6. Step 6: Final answer
    x = 2,926.74

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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.