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Finding the Fourth Proportional to 3,983.67, 5,497.07 and 3,040.07

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Solution

The fourth proportional to 3,983.67, 5,497.07 and 3,040.07 is: 4,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.67 : 5,497.07 = 3,040.07 : x
  2. Step 2: Convert to fraction form
    3,983.67/5,497.07 = 3,040.07/x
  3. Step 3: Cross multiply
    3,983.67x = 5,497.07 × 3,040.07
  4. Step 4: Simplify right side
    3,983.67x = 16,711,434.91
  5. Step 5: Solve for x
    x = 16,711,434.91/3,983.67
  6. Step 6: Final answer
    x = 4,194.98

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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.