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Finding the Fourth Proportional to 5,866.65, 8,793.81 and 2,166.52

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Solution

The fourth proportional to 5,866.65, 8,793.81 and 2,166.52 is: 3,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.65 : 8,793.81 = 2,166.52 : x
  2. Step 2: Convert to fraction form
    5,866.65/8,793.81 = 2,166.52/x
  3. Step 3: Cross multiply
    5,866.65x = 8,793.81 × 2,166.52
  4. Step 4: Simplify right side
    5,866.65x = 19,051,965.24
  5. Step 5: Solve for x
    x = 19,051,965.24/5,866.65
  6. Step 6: Final answer
    x = 3,247.50

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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.