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Finding the Fourth Proportional to 6,644.09, 9,963.95 and 2,200.74

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Solution

The fourth proportional to 6,644.09, 9,963.95 and 2,200.74 is: 3,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.09 : 9,963.95 = 2,200.74 : x
  2. Step 2: Convert to fraction form
    6,644.09/9,963.95 = 2,200.74/x
  3. Step 3: Cross multiply
    6,644.09x = 9,963.95 × 2,200.74
  4. Step 4: Simplify right side
    6,644.09x = 21,928,014.95
  5. Step 5: Solve for x
    x = 21,928,014.95/6,644.09
  6. Step 6: Final answer
    x = 3,300.38

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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.