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Finding the Fourth Proportional to 8,165.82, 11,267.97 and 4,808.42

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Solution

The fourth proportional to 8,165.82, 11,267.97 and 4,808.42 is: 6,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.82 : 11,267.97 = 4,808.42 : x
  2. Step 2: Convert to fraction form
    8,165.82/11,267.97 = 4,808.42/x
  3. Step 3: Cross multiply
    8,165.82x = 11,267.97 × 4,808.42
  4. Step 4: Simplify right side
    8,165.82x = 54,181,132.31
  5. Step 5: Solve for x
    x = 54,181,132.31/8,165.82
  6. Step 6: Final answer
    x = 6,635.11

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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.