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Finding the Fourth Proportional to 5,866.72, 8,800.78 and 2,579.42

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Solution

The fourth proportional to 5,866.72, 8,800.78 and 2,579.42 is: 3,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.72 : 8,800.78 = 2,579.42 : x
  2. Step 2: Convert to fraction form
    5,866.72/8,800.78 = 2,579.42/x
  3. Step 3: Cross multiply
    5,866.72x = 8,800.78 × 2,579.42
  4. Step 4: Simplify right side
    5,866.72x = 22,700,907.95
  5. Step 5: Solve for x
    x = 22,700,907.95/5,866.72
  6. Step 6: Final answer
    x = 3,869.44

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1.5x scale

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.