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Finding the Fourth Proportional to 962.40, 1,325.97 and 795.72

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Solution

The fourth proportional to 962.40, 1,325.97 and 795.72 is: 1,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.40 : 1,325.97 = 795.72 : x
  2. Step 2: Convert to fraction form
    962.40/1,325.97 = 795.72/x
  3. Step 3: Cross multiply
    962.40x = 1,325.97 × 795.72
  4. Step 4: Simplify right side
    962.40x = 1,055,100.85
  5. Step 5: Solve for x
    x = 1,055,100.85/962.40
  6. Step 6: Final answer
    x = 1,096.32

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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.