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Finding the Fourth Proportional to 6,960.66, 9,600.28 and 4,309.53

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Solution

The fourth proportional to 6,960.66, 9,600.28 and 4,309.53 is: 5,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.66 : 9,600.28 = 4,309.53 : x
  2. Step 2: Convert to fraction form
    6,960.66/9,600.28 = 4,309.53/x
  3. Step 3: Cross multiply
    6,960.66x = 9,600.28 × 4,309.53
  4. Step 4: Simplify right side
    6,960.66x = 41,372,694.67
  5. Step 5: Solve for x
    x = 41,372,694.67/6,960.66
  6. Step 6: Final answer
    x = 5,943.79

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1.5x scale

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.