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Finding the Fourth Proportional to 8,309.34, 12,463.98 and 4,367.22

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Solution

The fourth proportional to 8,309.34, 12,463.98 and 4,367.22 is: 6,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.34 : 12,463.98 = 4,367.22 : x
  2. Step 2: Convert to fraction form
    8,309.34/12,463.98 = 4,367.22/x
  3. Step 3: Cross multiply
    8,309.34x = 12,463.98 × 4,367.22
  4. Step 4: Simplify right side
    8,309.34x = 54,432,942.74
  5. Step 5: Solve for x
    x = 54,432,942.74/8,309.34
  6. Step 6: Final answer
    x = 6,550.81

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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.