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Finding the Fourth Proportional to 22,249, 33,347.58 and 12,383.56

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Solution

The fourth proportional to 22,249, 33,347.58 and 12,383.56 is: 18,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249 : 33,347.58 = 12,383.56 : x
  2. Step 2: Convert to fraction form
    22,249/33,347.58 = 12,383.56/x
  3. Step 3: Cross multiply
    22,249x = 33,347.58 × 12,383.56
  4. Step 4: Simplify right side
    22,249x = 412,961,757.78
  5. Step 5: Solve for x
    x = 412,961,757.78/22,249
  6. Step 6: Final answer
    x = 18,560.91

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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.