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Finding the Fourth Proportional to 22,446.96, 30,963.96 and 14,048.88

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Solution

The fourth proportional to 22,446.96, 30,963.96 and 14,048.88 is: 19,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,446.96 : 30,963.96 = 14,048.88 : x
  2. Step 2: Convert to fraction form
    22,446.96/30,963.96 = 14,048.88/x
  3. Step 3: Cross multiply
    22,446.96x = 30,963.96 × 14,048.88
  4. Step 4: Simplify right side
    22,446.96x = 435,008,958.36
  5. Step 5: Solve for x
    x = 435,008,958.36/22,446.96
  6. Step 6: Final answer
    x = 19,379.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.