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Finding the Fourth Proportional to 9,425.45, 13,008.39 and 5,446.73

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Solution

The fourth proportional to 9,425.45, 13,008.39 and 5,446.73 is: 7,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.45 : 13,008.39 = 5,446.73 : x
  2. Step 2: Convert to fraction form
    9,425.45/13,008.39 = 5,446.73/x
  3. Step 3: Cross multiply
    9,425.45x = 13,008.39 × 5,446.73
  4. Step 4: Simplify right side
    9,425.45x = 70,853,188.06
  5. Step 5: Solve for x
    x = 70,853,188.06/9,425.45
  6. Step 6: Final answer
    x = 7,517.22

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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.