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Finding the Fourth Proportional to 5,913.84, 8,873.77 and 3,940.82

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Solution

The fourth proportional to 5,913.84, 8,873.77 and 3,940.82 is: 5,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.84 : 8,873.77 = 3,940.82 : x
  2. Step 2: Convert to fraction form
    5,913.84/8,873.77 = 3,940.82/x
  3. Step 3: Cross multiply
    5,913.84x = 8,873.77 × 3,940.82
  4. Step 4: Simplify right side
    5,913.84x = 34,969,930.29
  5. Step 5: Solve for x
    x = 34,969,930.29/5,913.84
  6. Step 6: Final answer
    x = 5,913.24

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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.