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Finding the Fourth Proportional to 6,959.39, 9,604.44 and 3,975.66

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Solution

The fourth proportional to 6,959.39, 9,604.44 and 3,975.66 is: 5,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.39 : 9,604.44 = 3,975.66 : x
  2. Step 2: Convert to fraction form
    6,959.39/9,604.44 = 3,975.66/x
  3. Step 3: Cross multiply
    6,959.39x = 9,604.44 × 3,975.66
  4. Step 4: Simplify right side
    6,959.39x = 38,183,987.93
  5. Step 5: Solve for x
    x = 38,183,987.93/6,959.39
  6. Step 6: Final answer
    x = 5,486.69

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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.