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Finding the Fourth Proportional to 22,449.81, 33,674.89 and 9,966.48

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Solution

The fourth proportional to 22,449.81, 33,674.89 and 9,966.48 is: 14,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,449.81 : 33,674.89 = 9,966.48 : x
  2. Step 2: Convert to fraction form
    22,449.81/33,674.89 = 9,966.48/x
  3. Step 3: Cross multiply
    22,449.81x = 33,674.89 × 9,966.48
  4. Step 4: Simplify right side
    22,449.81x = 335,620,117.69
  5. Step 5: Solve for x
    x = 335,620,117.69/22,449.81
  6. Step 6: Final answer
    x = 14,949.80

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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.