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Finding the Fourth Proportional to 956.44, 1,320.62 and 735.04

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Solution

The fourth proportional to 956.44, 1,320.62 and 735.04 is: 1,014.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.44 : 1,320.62 = 735.04 : x
  2. Step 2: Convert to fraction form
    956.44/1,320.62 = 735.04/x
  3. Step 3: Cross multiply
    956.44x = 1,320.62 × 735.04
  4. Step 4: Simplify right side
    956.44x = 970,708.52
  5. Step 5: Solve for x
    x = 970,708.52/956.44
  6. Step 6: Final answer
    x = 1,014.92

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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.