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Finding the Fourth Proportional to 9,913.91, 14,872.23 and 3,341.97

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Solution

The fourth proportional to 9,913.91, 14,872.23 and 3,341.97 is: 5,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.91 : 14,872.23 = 3,341.97 : x
  2. Step 2: Convert to fraction form
    9,913.91/14,872.23 = 3,341.97/x
  3. Step 3: Cross multiply
    9,913.91x = 14,872.23 × 3,341.97
  4. Step 4: Simplify right side
    9,913.91x = 49,702,554.85
  5. Step 5: Solve for x
    x = 49,702,554.85/9,913.91
  6. Step 6: Final answer
    x = 5,013.42

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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.