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Finding the Fourth Proportional to 6,603.75, 9,898.80 and 2,219.73

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Solution

The fourth proportional to 6,603.75, 9,898.80 and 2,219.73 is: 3,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.75 : 9,898.80 = 2,219.73 : x
  2. Step 2: Convert to fraction form
    6,603.75/9,898.80 = 2,219.73/x
  3. Step 3: Cross multiply
    6,603.75x = 9,898.80 × 2,219.73
  4. Step 4: Simplify right side
    6,603.75x = 21,972,663.32
  5. Step 5: Solve for x
    x = 21,972,663.32/6,603.75
  6. Step 6: Final answer
    x = 3,327.30

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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.