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Finding the Fourth Proportional to 14,480.30, 21,723.64 and 8,243.24

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Solution

The fourth proportional to 14,480.30, 21,723.64 and 8,243.24 is: 12,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.30 : 21,723.64 = 8,243.24 : x
  2. Step 2: Convert to fraction form
    14,480.30/21,723.64 = 8,243.24/x
  3. Step 3: Cross multiply
    14,480.30x = 21,723.64 × 8,243.24
  4. Step 4: Simplify right side
    14,480.30x = 179,073,048.97
  5. Step 5: Solve for x
    x = 179,073,048.97/14,480.30
  6. Step 6: Final answer
    x = 12,366.66

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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.