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Finding the Fourth Proportional to 6,654.51, 9,982.67 and 5,270.42

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Solution

The fourth proportional to 6,654.51, 9,982.67 and 5,270.42 is: 7,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.51 : 9,982.67 = 5,270.42 : x
  2. Step 2: Convert to fraction form
    6,654.51/9,982.67 = 5,270.42/x
  3. Step 3: Cross multiply
    6,654.51x = 9,982.67 × 5,270.42
  4. Step 4: Simplify right side
    6,654.51x = 52,612,787.36
  5. Step 5: Solve for x
    x = 52,612,787.36/6,654.51
  6. Step 6: Final answer
    x = 7,906.34

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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.