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Finding the Fourth Proportional to 6,959.73, 9,605.04 and 3,976.53

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Solution

The fourth proportional to 6,959.73, 9,605.04 and 3,976.53 is: 5,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.73 : 9,605.04 = 3,976.53 : x
  2. Step 2: Convert to fraction form
    6,959.73/9,605.04 = 3,976.53/x
  3. Step 3: Cross multiply
    6,959.73x = 9,605.04 × 3,976.53
  4. Step 4: Simplify right side
    6,959.73x = 38,194,729.71
  5. Step 5: Solve for x
    x = 38,194,729.71/6,959.73
  6. Step 6: Final answer
    x = 5,487.96

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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.