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Finding the Fourth Proportional to 9,446.66, 14,226.21 and 8,228.76

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Solution

The fourth proportional to 9,446.66, 14,226.21 and 8,228.76 is: 12,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,446.66 : 14,226.21 = 8,228.76 : x
  2. Step 2: Convert to fraction form
    9,446.66/14,226.21 = 8,228.76/x
  3. Step 3: Cross multiply
    9,446.66x = 14,226.21 × 8,228.76
  4. Step 4: Simplify right side
    9,446.66x = 117,064,067.80
  5. Step 5: Solve for x
    x = 117,064,067.80/9,446.66
  6. Step 6: Final answer
    x = 12,392.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.