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Finding the Fourth Proportional to 9,351.72, 12,910.05 and 5,816.07

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Solution

The fourth proportional to 9,351.72, 12,910.05 and 5,816.07 is: 8,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.72 : 12,910.05 = 5,816.07 : x
  2. Step 2: Convert to fraction form
    9,351.72/12,910.05 = 5,816.07/x
  3. Step 3: Cross multiply
    9,351.72x = 12,910.05 × 5,816.07
  4. Step 4: Simplify right side
    9,351.72x = 75,085,754.50
  5. Step 5: Solve for x
    x = 75,085,754.50/9,351.72
  6. Step 6: Final answer
    x = 8,029.08

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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.