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Finding the Fourth Proportional to 22,661.88, 33,992.68 and 6,866.88

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Solution

The fourth proportional to 22,661.88, 33,992.68 and 6,866.88 is: 10,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.88 : 33,992.68 = 6,866.88 : x
  2. Step 2: Convert to fraction form
    22,661.88/33,992.68 = 6,866.88/x
  3. Step 3: Cross multiply
    22,661.88x = 33,992.68 × 6,866.88
  4. Step 4: Simplify right side
    22,661.88x = 233,423,654.44
  5. Step 5: Solve for x
    x = 233,423,654.44/22,661.88
  6. Step 6: Final answer
    x = 10,300.28

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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.