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Finding the Fourth Proportional to 5,889.84, 8,836.32 and 2,603.68

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Solution

The fourth proportional to 5,889.84, 8,836.32 and 2,603.68 is: 3,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.84 : 8,836.32 = 2,603.68 : x
  2. Step 2: Convert to fraction form
    5,889.84/8,836.32 = 2,603.68/x
  3. Step 3: Cross multiply
    5,889.84x = 8,836.32 × 2,603.68
  4. Step 4: Simplify right side
    5,889.84x = 23,006,949.66
  5. Step 5: Solve for x
    x = 23,006,949.66/5,889.84
  6. Step 6: Final answer
    x = 3,906.21

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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.