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Finding the Fourth Proportional to 6,982.48, 10,442.22 and 6,207.04

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Solution

The fourth proportional to 6,982.48, 10,442.22 and 6,207.04 is: 9,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.48 : 10,442.22 = 6,207.04 : x
  2. Step 2: Convert to fraction form
    6,982.48/10,442.22 = 6,207.04/x
  3. Step 3: Cross multiply
    6,982.48x = 10,442.22 × 6,207.04
  4. Step 4: Simplify right side
    6,982.48x = 64,815,277.23
  5. Step 5: Solve for x
    x = 64,815,277.23/6,982.48
  6. Step 6: Final answer
    x = 9,282.56

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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.