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Finding the Fourth Proportional to 7,796.08, 10,766.17 and 6,670.43

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Solution

The fourth proportional to 7,796.08, 10,766.17 and 6,670.43 is: 9,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.08 : 10,766.17 = 6,670.43 : x
  2. Step 2: Convert to fraction form
    7,796.08/10,766.17 = 6,670.43/x
  3. Step 3: Cross multiply
    7,796.08x = 10,766.17 × 6,670.43
  4. Step 4: Simplify right side
    7,796.08x = 71,815,001.27
  5. Step 5: Solve for x
    x = 71,815,001.27/7,796.08
  6. Step 6: Final answer
    x = 9,211.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.