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Finding the Fourth Proportional to 8,550.87, 12,826.18 and 4,388.48

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Solution

The fourth proportional to 8,550.87, 12,826.18 and 4,388.48 is: 6,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.87 : 12,826.18 = 4,388.48 : x
  2. Step 2: Convert to fraction form
    8,550.87/12,826.18 = 4,388.48/x
  3. Step 3: Cross multiply
    8,550.87x = 12,826.18 × 4,388.48
  4. Step 4: Simplify right side
    8,550.87x = 56,287,423.86
  5. Step 5: Solve for x
    x = 56,287,423.86/8,550.87
  6. Step 6: Final answer
    x = 6,582.66

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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.