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Finding the Fourth Proportional to 6,644.18, 9,943.17 and 5,459.96

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Solution

The fourth proportional to 6,644.18, 9,943.17 and 5,459.96 is: 8,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.18 : 9,943.17 = 5,459.96 : x
  2. Step 2: Convert to fraction form
    6,644.18/9,943.17 = 5,459.96/x
  3. Step 3: Cross multiply
    6,644.18x = 9,943.17 × 5,459.96
  4. Step 4: Simplify right side
    6,644.18x = 54,289,260.76
  5. Step 5: Solve for x
    x = 54,289,260.76/6,644.18
  6. Step 6: Final answer
    x = 8,170.96

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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.