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Finding the Fourth Proportional to 5,884.78, 8,827.17 and 2,187.94

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Solution

The fourth proportional to 5,884.78, 8,827.17 and 2,187.94 is: 3,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.78 : 8,827.17 = 2,187.94 : x
  2. Step 2: Convert to fraction form
    5,884.78/8,827.17 = 2,187.94/x
  3. Step 3: Cross multiply
    5,884.78x = 8,827.17 × 2,187.94
  4. Step 4: Simplify right side
    5,884.78x = 19,313,288.06
  5. Step 5: Solve for x
    x = 19,313,288.06/5,884.78
  6. Step 6: Final answer
    x = 3,281.91

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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.