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Finding the Fourth Proportional to 9,489.44, 14,231.28 and 3,332

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Solution

The fourth proportional to 9,489.44, 14,231.28 and 3,332 is: 4,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.44 : 14,231.28 = 3,332 : x
  2. Step 2: Convert to fraction form
    9,489.44/14,231.28 = 3,332/x
  3. Step 3: Cross multiply
    9,489.44x = 14,231.28 × 3,332
  4. Step 4: Simplify right side
    9,489.44x = 47,418,624.96
  5. Step 5: Solve for x
    x = 47,418,624.96/9,489.44
  6. Step 6: Final answer
    x = 4,996.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.