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Finding the Fourth Proportional to 22,654.39, 33,986.30 and 6,860.31

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Solution

The fourth proportional to 22,654.39, 33,986.30 and 6,860.31 is: 10,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,654.39 : 33,986.30 = 6,860.31 : x
  2. Step 2: Convert to fraction form
    22,654.39/33,986.30 = 6,860.31/x
  3. Step 3: Cross multiply
    22,654.39x = 33,986.30 × 6,860.31
  4. Step 4: Simplify right side
    22,654.39x = 233,156,553.75
  5. Step 5: Solve for x
    x = 233,156,553.75/22,654.39
  6. Step 6: Final answer
    x = 10,291.89

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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.