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Finding the Fourth Proportional to 5,916.84, 8,879.84 and 2,222.43

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Solution

The fourth proportional to 5,916.84, 8,879.84 and 2,222.43 is: 3,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.84 : 8,879.84 = 2,222.43 : x
  2. Step 2: Convert to fraction form
    5,916.84/8,879.84 = 2,222.43/x
  3. Step 3: Cross multiply
    5,916.84x = 8,879.84 × 2,222.43
  4. Step 4: Simplify right side
    5,916.84x = 19,734,783.97
  5. Step 5: Solve for x
    x = 19,734,783.97/5,916.84
  6. Step 6: Final answer
    x = 3,335.36

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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.