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Finding the Fourth Proportional to 4,899.87, 6,761.84 and 3,133.35

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Solution

The fourth proportional to 4,899.87, 6,761.84 and 3,133.35 is: 4,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.87 : 6,761.84 = 3,133.35 : x
  2. Step 2: Convert to fraction form
    4,899.87/6,761.84 = 3,133.35/x
  3. Step 3: Cross multiply
    4,899.87x = 6,761.84 × 3,133.35
  4. Step 4: Simplify right side
    4,899.87x = 21,187,195.70
  5. Step 5: Solve for x
    x = 21,187,195.70/4,899.87
  6. Step 6: Final answer
    x = 4,324.03

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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.