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Finding the Fourth Proportional to 6,679.35, 9,221.40 and 5,941.17

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Solution

The fourth proportional to 6,679.35, 9,221.40 and 5,941.17 is: 8,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.35 : 9,221.40 = 5,941.17 : x
  2. Step 2: Convert to fraction form
    6,679.35/9,221.40 = 5,941.17/x
  3. Step 3: Cross multiply
    6,679.35x = 9,221.40 × 5,941.17
  4. Step 4: Simplify right side
    6,679.35x = 54,785,905.04
  5. Step 5: Solve for x
    x = 54,785,905.04/6,679.35
  6. Step 6: Final answer
    x = 8,202.28

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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.