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Finding the Fourth Proportional to 962.10, 1,326.87 and 751.95

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Solution

The fourth proportional to 962.10, 1,326.87 and 751.95 is: 1,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.10 : 1,326.87 = 751.95 : x
  2. Step 2: Convert to fraction form
    962.10/1,326.87 = 751.95/x
  3. Step 3: Cross multiply
    962.10x = 1,326.87 × 751.95
  4. Step 4: Simplify right side
    962.10x = 997,739.90
  5. Step 5: Solve for x
    x = 997,739.90/962.10
  6. Step 6: Final answer
    x = 1,037.04

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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.