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Finding the Fourth Proportional to 22,171.54, 33,243.54 and 10,904.44

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Solution

The fourth proportional to 22,171.54, 33,243.54 and 10,904.44 is: 16,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.54 : 33,243.54 = 10,904.44 : x
  2. Step 2: Convert to fraction form
    22,171.54/33,243.54 = 10,904.44/x
  3. Step 3: Cross multiply
    22,171.54x = 33,243.54 × 10,904.44
  4. Step 4: Simplify right side
    22,171.54x = 362,502,187.32
  5. Step 5: Solve for x
    x = 362,502,187.32/22,171.54
  6. Step 6: Final answer
    x = 16,349.89

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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.