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Finding the Fourth Proportional to 22,094.28, 30,489.49 and 12,022.49

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Solution

The fourth proportional to 22,094.28, 30,489.49 and 12,022.49 is: 16,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,094.28 : 30,489.49 = 12,022.49 : x
  2. Step 2: Convert to fraction form
    22,094.28/30,489.49 = 12,022.49/x
  3. Step 3: Cross multiply
    22,094.28x = 30,489.49 × 12,022.49
  4. Step 4: Simplify right side
    22,094.28x = 366,559,530.92
  5. Step 5: Solve for x
    x = 366,559,530.92/22,094.28
  6. Step 6: Final answer
    x = 16,590.70

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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.