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Finding the Fourth Proportional to 9,921.38, 14,884.02 and 3,349.44

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Solution

The fourth proportional to 9,921.38, 14,884.02 and 3,349.44 is: 5,024.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.38 : 14,884.02 = 3,349.44 : x
  2. Step 2: Convert to fraction form
    9,921.38/14,884.02 = 3,349.44/x
  3. Step 3: Cross multiply
    9,921.38x = 14,884.02 × 3,349.44
  4. Step 4: Simplify right side
    9,921.38x = 49,853,131.95
  5. Step 5: Solve for x
    x = 49,853,131.95/9,921.38
  6. Step 6: Final answer
    x = 5,024.82

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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.