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Finding the Fourth Proportional to 6,628.95, 9,943.38 and 2,249.49

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Solution

The fourth proportional to 6,628.95, 9,943.38 and 2,249.49 is: 3,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.95 : 9,943.38 = 2,249.49 : x
  2. Step 2: Convert to fraction form
    6,628.95/9,943.38 = 2,249.49/x
  3. Step 3: Cross multiply
    6,628.95x = 9,943.38 × 2,249.49
  4. Step 4: Simplify right side
    6,628.95x = 22,367,533.88
  5. Step 5: Solve for x
    x = 22,367,533.88/6,628.95
  6. Step 6: Final answer
    x = 3,374.22

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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.