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Finding the Fourth Proportional to 9,375.76, 14,063.60 and 2,801.93

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Solution

The fourth proportional to 9,375.76, 14,063.60 and 2,801.93 is: 4,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.76 : 14,063.60 = 2,801.93 : x
  2. Step 2: Convert to fraction form
    9,375.76/14,063.60 = 2,801.93/x
  3. Step 3: Cross multiply
    9,375.76x = 14,063.60 × 2,801.93
  4. Step 4: Simplify right side
    9,375.76x = 39,405,208.74
  5. Step 5: Solve for x
    x = 39,405,208.74/9,375.76
  6. Step 6: Final answer
    x = 4,202.88

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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.