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Finding the Fourth Proportional to 10,395.04, 15,581.67 and 4,843.81

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Solution

The fourth proportional to 10,395.04, 15,581.67 and 4,843.81 is: 7,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.04 : 15,581.67 = 4,843.81 : x
  2. Step 2: Convert to fraction form
    10,395.04/15,581.67 = 4,843.81/x
  3. Step 3: Cross multiply
    10,395.04x = 15,581.67 × 4,843.81
  4. Step 4: Simplify right side
    10,395.04x = 75,474,571.05
  5. Step 5: Solve for x
    x = 75,474,571.05/10,395.04
  6. Step 6: Final answer
    x = 7,260.63

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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.