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Finding the Fourth Proportional to 6,603.27, 9,905.03 and 2,220.76

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Solution

The fourth proportional to 6,603.27, 9,905.03 and 2,220.76 is: 3,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.27 : 9,905.03 = 2,220.76 : x
  2. Step 2: Convert to fraction form
    6,603.27/9,905.03 = 2,220.76/x
  3. Step 3: Cross multiply
    6,603.27x = 9,905.03 × 2,220.76
  4. Step 4: Simplify right side
    6,603.27x = 21,996,694.42
  5. Step 5: Solve for x
    x = 21,996,694.42/6,603.27
  6. Step 6: Final answer
    x = 3,331.18

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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.