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Finding the Fourth Proportional to 22,019.44, 30,383.64 and 12,083.44

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Solution

The fourth proportional to 22,019.44, 30,383.64 and 12,083.44 is: 16,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019.44 : 30,383.64 = 12,083.44 : x
  2. Step 2: Convert to fraction form
    22,019.44/30,383.64 = 12,083.44/x
  3. Step 3: Cross multiply
    22,019.44x = 30,383.64 × 12,083.44
  4. Step 4: Simplify right side
    22,019.44x = 367,138,890.92
  5. Step 5: Solve for x
    x = 367,138,890.92/22,019.44
  6. Step 6: Final answer
    x = 16,673.40

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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.