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Finding the Fourth Proportional to 6,647.53, 9,968.81 and 2,204.38

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Solution

The fourth proportional to 6,647.53, 9,968.81 and 2,204.38 is: 3,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.53 : 9,968.81 = 2,204.38 : x
  2. Step 2: Convert to fraction form
    6,647.53/9,968.81 = 2,204.38/x
  3. Step 3: Cross multiply
    6,647.53x = 9,968.81 × 2,204.38
  4. Step 4: Simplify right side
    6,647.53x = 21,975,045.39
  5. Step 5: Solve for x
    x = 21,975,045.39/6,647.53
  6. Step 6: Final answer
    x = 3,305.75

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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.