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Finding the Fourth Proportional to 968.75, 1,452.21 and 795.61

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Solution

The fourth proportional to 968.75, 1,452.21 and 795.61 is: 1,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.75 : 1,452.21 = 795.61 : x
  2. Step 2: Convert to fraction form
    968.75/1,452.21 = 795.61/x
  3. Step 3: Cross multiply
    968.75x = 1,452.21 × 795.61
  4. Step 4: Simplify right side
    968.75x = 1,155,392.80
  5. Step 5: Solve for x
    x = 1,155,392.80/968.75
  6. Step 6: Final answer
    x = 1,192.66

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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.