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Finding the Fourth Proportional to 22,248.50, 33,346.83 and 12,383.06

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Solution

The fourth proportional to 22,248.50, 33,346.83 and 12,383.06 is: 18,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.50 : 33,346.83 = 12,383.06 : x
  2. Step 2: Convert to fraction form
    22,248.50/33,346.83 = 12,383.06/x
  3. Step 3: Cross multiply
    22,248.50x = 33,346.83 × 12,383.06
  4. Step 4: Simplify right side
    22,248.50x = 412,935,796.70
  5. Step 5: Solve for x
    x = 412,935,796.70/22,248.50
  6. Step 6: Final answer
    x = 18,560.16

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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.