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Finding the Fourth Proportional to 5,788.91, 8,683.76 and 2,866.43

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Solution

The fourth proportional to 5,788.91, 8,683.76 and 2,866.43 is: 4,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.91 : 8,683.76 = 2,866.43 : x
  2. Step 2: Convert to fraction form
    5,788.91/8,683.76 = 2,866.43/x
  3. Step 3: Cross multiply
    5,788.91x = 8,683.76 × 2,866.43
  4. Step 4: Simplify right side
    5,788.91x = 24,891,390.18
  5. Step 5: Solve for x
    x = 24,891,390.18/5,788.91
  6. Step 6: Final answer
    x = 4,299.84

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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.