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Finding the Fourth Proportional to 950.60, 1,424.28 and 675.32

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Solution

The fourth proportional to 950.60, 1,424.28 and 675.32 is: 1,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.60 : 1,424.28 = 675.32 : x
  2. Step 2: Convert to fraction form
    950.60/1,424.28 = 675.32/x
  3. Step 3: Cross multiply
    950.60x = 1,424.28 × 675.32
  4. Step 4: Simplify right side
    950.60x = 961,837.65
  5. Step 5: Solve for x
    x = 961,837.65/950.60
  6. Step 6: Final answer
    x = 1,011.83

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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.