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Finding the Fourth Proportional to 7,207.11, 9,943.56 and 4,062.69

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Solution

The fourth proportional to 7,207.11, 9,943.56 and 4,062.69 is: 5,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.11 : 9,943.56 = 4,062.69 : x
  2. Step 2: Convert to fraction form
    7,207.11/9,943.56 = 4,062.69/x
  3. Step 3: Cross multiply
    7,207.11x = 9,943.56 × 4,062.69
  4. Step 4: Simplify right side
    7,207.11x = 40,397,601.78
  5. Step 5: Solve for x
    x = 40,397,601.78/7,207.11
  6. Step 6: Final answer
    x = 5,605.24

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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.