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Finding the Fourth Proportional to 3,365.38, 4,647.84 and 2,251

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Solution

The fourth proportional to 3,365.38, 4,647.84 and 2,251 is: 3,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.38 : 4,647.84 = 2,251 : x
  2. Step 2: Convert to fraction form
    3,365.38/4,647.84 = 2,251/x
  3. Step 3: Cross multiply
    3,365.38x = 4,647.84 × 2,251
  4. Step 4: Simplify right side
    3,365.38x = 10,462,287.84
  5. Step 5: Solve for x
    x = 10,462,287.84/3,365.38
  6. Step 6: Final answer
    x = 3,108.80

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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.