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Finding the Fourth Proportional to 7,574.66, 11,362.11 and 2,309.78

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Solution

The fourth proportional to 7,574.66, 11,362.11 and 2,309.78 is: 3,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.66 : 11,362.11 = 2,309.78 : x
  2. Step 2: Convert to fraction form
    7,574.66/11,362.11 = 2,309.78/x
  3. Step 3: Cross multiply
    7,574.66x = 11,362.11 × 2,309.78
  4. Step 4: Simplify right side
    7,574.66x = 26,243,974.44
  5. Step 5: Solve for x
    x = 26,243,974.44/7,574.66
  6. Step 6: Final answer
    x = 3,464.71

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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.