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Finding the Fourth Proportional to 3,296.84, 4,550.10 and 1,899.56

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Solution

The fourth proportional to 3,296.84, 4,550.10 and 1,899.56 is: 2,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.84 : 4,550.10 = 1,899.56 : x
  2. Step 2: Convert to fraction form
    3,296.84/4,550.10 = 1,899.56/x
  3. Step 3: Cross multiply
    3,296.84x = 4,550.10 × 1,899.56
  4. Step 4: Simplify right side
    3,296.84x = 8,643,187.96
  5. Step 5: Solve for x
    x = 8,643,187.96/3,296.84
  6. Step 6: Final answer
    x = 2,621.66

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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.