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Finding the Fourth Proportional to 22,383.96, 33,579.06 and 9,903

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Solution

The fourth proportional to 22,383.96, 33,579.06 and 9,903 is: 14,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.96 : 33,579.06 = 9,903 : x
  2. Step 2: Convert to fraction form
    22,383.96/33,579.06 = 9,903/x
  3. Step 3: Cross multiply
    22,383.96x = 33,579.06 × 9,903
  4. Step 4: Simplify right side
    22,383.96x = 332,533,431.18
  5. Step 5: Solve for x
    x = 332,533,431.18/22,383.96
  6. Step 6: Final answer
    x = 14,855.88

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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.