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Finding the Fourth Proportional to 953.98, 1,317.74 and 735.62

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Solution

The fourth proportional to 953.98, 1,317.74 and 735.62 is: 1,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.98 : 1,317.74 = 735.62 : x
  2. Step 2: Convert to fraction form
    953.98/1,317.74 = 735.62/x
  3. Step 3: Cross multiply
    953.98x = 1,317.74 × 735.62
  4. Step 4: Simplify right side
    953.98x = 969,355.90
  5. Step 5: Solve for x
    x = 969,355.90/953.98
  6. Step 6: Final answer
    x = 1,016.12

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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.