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Finding the Fourth Proportional to 6,605.28, 9,901.17 and 2,906.82

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Solution

The fourth proportional to 6,605.28, 9,901.17 and 2,906.82 is: 4,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.28 : 9,901.17 = 2,906.82 : x
  2. Step 2: Convert to fraction form
    6,605.28/9,901.17 = 2,906.82/x
  3. Step 3: Cross multiply
    6,605.28x = 9,901.17 × 2,906.82
  4. Step 4: Simplify right side
    6,605.28x = 28,780,918.98
  5. Step 5: Solve for x
    x = 28,780,918.98/6,605.28
  6. Step 6: Final answer
    x = 4,357.26

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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.