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Finding the Fourth Proportional to 3,549.82, 4,899.12 and 2,133.97

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Solution

The fourth proportional to 3,549.82, 4,899.12 and 2,133.97 is: 2,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.82 : 4,899.12 = 2,133.97 : x
  2. Step 2: Convert to fraction form
    3,549.82/4,899.12 = 2,133.97/x
  3. Step 3: Cross multiply
    3,549.82x = 4,899.12 × 2,133.97
  4. Step 4: Simplify right side
    3,549.82x = 10,454,539.94
  5. Step 5: Solve for x
    x = 10,454,539.94/3,549.82
  6. Step 6: Final answer
    x = 2,945.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.