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Finding the Fourth Proportional to 9,605.97, 13,253.94 and 5,414.22

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Solution

The fourth proportional to 9,605.97, 13,253.94 and 5,414.22 is: 7,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.97 : 13,253.94 = 5,414.22 : x
  2. Step 2: Convert to fraction form
    9,605.97/13,253.94 = 5,414.22/x
  3. Step 3: Cross multiply
    9,605.97x = 13,253.94 × 5,414.22
  4. Step 4: Simplify right side
    9,605.97x = 71,759,747.03
  5. Step 5: Solve for x
    x = 71,759,747.03/9,605.97
  6. Step 6: Final answer
    x = 7,470.33

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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.