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Finding the Fourth Proportional to 968.52, 1,335.26 and 770.01

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Solution

The fourth proportional to 968.52, 1,335.26 and 770.01 is: 1,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.52 : 1,335.26 = 770.01 : x
  2. Step 2: Convert to fraction form
    968.52/1,335.26 = 770.01/x
  3. Step 3: Cross multiply
    968.52x = 1,335.26 × 770.01
  4. Step 4: Simplify right side
    968.52x = 1,028,163.55
  5. Step 5: Solve for x
    x = 1,028,163.55/968.52
  6. Step 6: Final answer
    x = 1,061.59

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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.