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Finding the Fourth Proportional to 19,800.92, 29,704.11 and 6,654.31

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Solution

The fourth proportional to 19,800.92, 29,704.11 and 6,654.31 is: 9,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800.92 : 29,704.11 = 6,654.31 : x
  2. Step 2: Convert to fraction form
    19,800.92/29,704.11 = 6,654.31/x
  3. Step 3: Cross multiply
    19,800.92x = 29,704.11 × 6,654.31
  4. Step 4: Simplify right side
    19,800.92x = 197,660,356.21
  5. Step 5: Solve for x
    x = 197,660,356.21/19,800.92
  6. Step 6: Final answer
    x = 9,982.38

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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.