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Finding the Fourth Proportional to 22,487.36, 33,729.78 and 6,904.94

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Solution

The fourth proportional to 22,487.36, 33,729.78 and 6,904.94 is: 10,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.36 : 33,729.78 = 6,904.94 : x
  2. Step 2: Convert to fraction form
    22,487.36/33,729.78 = 6,904.94/x
  3. Step 3: Cross multiply
    22,487.36x = 33,729.78 × 6,904.94
  4. Step 4: Simplify right side
    22,487.36x = 232,902,107.11
  5. Step 5: Solve for x
    x = 232,902,107.11/22,487.36
  6. Step 6: Final answer
    x = 10,357.02

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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.