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Finding the Fourth Proportional to 7,905.80, 10,910.09 and 4,369.14

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Solution

The fourth proportional to 7,905.80, 10,910.09 and 4,369.14 is: 6,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.80 : 10,910.09 = 4,369.14 : x
  2. Step 2: Convert to fraction form
    7,905.80/10,910.09 = 4,369.14/x
  3. Step 3: Cross multiply
    7,905.80x = 10,910.09 × 4,369.14
  4. Step 4: Simplify right side
    7,905.80x = 47,667,721.55
  5. Step 5: Solve for x
    x = 47,667,721.55/7,905.80
  6. Step 6: Final answer
    x = 6,029.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.