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Finding the Fourth Proportional to 1,958.65, 2,702.99 and 1,074.44

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Solution

The fourth proportional to 1,958.65, 2,702.99 and 1,074.44 is: 1,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.65 : 2,702.99 = 1,074.44 : x
  2. Step 2: Convert to fraction form
    1,958.65/2,702.99 = 1,074.44/x
  3. Step 3: Cross multiply
    1,958.65x = 2,702.99 × 1,074.44
  4. Step 4: Simplify right side
    1,958.65x = 2,904,200.58
  5. Step 5: Solve for x
    x = 2,904,200.58/1,958.65
  6. Step 6: Final answer
    x = 1,482.76

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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.