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Finding the Fourth Proportional to 5,866.89, 8,800.37 and 1,424.54

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Solution

The fourth proportional to 5,866.89, 8,800.37 and 1,424.54 is: 2,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.89 : 8,800.37 = 1,424.54 : x
  2. Step 2: Convert to fraction form
    5,866.89/8,800.37 = 1,424.54/x
  3. Step 3: Cross multiply
    5,866.89x = 8,800.37 × 1,424.54
  4. Step 4: Simplify right side
    5,866.89x = 12,536,479.08
  5. Step 5: Solve for x
    x = 12,536,479.08/5,866.89
  6. Step 6: Final answer
    x = 2,136.82

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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.