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Finding the Fourth Proportional to 9,375.75, 14,063.49 and 2,801.79

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Solution

The fourth proportional to 9,375.75, 14,063.49 and 2,801.79 is: 4,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.75 : 14,063.49 = 2,801.79 : x
  2. Step 2: Convert to fraction form
    9,375.75/14,063.49 = 2,801.79/x
  3. Step 3: Cross multiply
    9,375.75x = 14,063.49 × 2,801.79
  4. Step 4: Simplify right side
    9,375.75x = 39,402,945.65
  5. Step 5: Solve for x
    x = 39,402,945.65/9,375.75
  6. Step 6: Final answer
    x = 4,202.64

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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.