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Finding the Fourth Proportional to 3,463.94, 5,195.84 and 866.90

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Solution

The fourth proportional to 3,463.94, 5,195.84 and 866.90 is: 1,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.94 : 5,195.84 = 866.90 : x
  2. Step 2: Convert to fraction form
    3,463.94/5,195.84 = 866.90/x
  3. Step 3: Cross multiply
    3,463.94x = 5,195.84 × 866.90
  4. Step 4: Simplify right side
    3,463.94x = 4,504,243.38
  5. Step 5: Solve for x
    x = 4,504,243.38/3,463.94
  6. Step 6: Final answer
    x = 1,300.33

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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.