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Finding the Fourth Proportional to 7,494.54, 11,243.81 and 2,564.18

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Solution

The fourth proportional to 7,494.54, 11,243.81 and 2,564.18 is: 3,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.54 : 11,243.81 = 2,564.18 : x
  2. Step 2: Convert to fraction form
    7,494.54/11,243.81 = 2,564.18/x
  3. Step 3: Cross multiply
    7,494.54x = 11,243.81 × 2,564.18
  4. Step 4: Simplify right side
    7,494.54x = 28,831,083.69
  5. Step 5: Solve for x
    x = 28,831,083.69/7,494.54
  6. Step 6: Final answer
    x = 3,846.95

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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.