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Finding the Fourth Proportional to 3,363.25, 4,641.29 and 1,891.25

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Solution

The fourth proportional to 3,363.25, 4,641.29 and 1,891.25 is: 2,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.25 : 4,641.29 = 1,891.25 : x
  2. Step 2: Convert to fraction form
    3,363.25/4,641.29 = 1,891.25/x
  3. Step 3: Cross multiply
    3,363.25x = 4,641.29 × 1,891.25
  4. Step 4: Simplify right side
    3,363.25x = 8,777,839.71
  5. Step 5: Solve for x
    x = 8,777,839.71/3,363.25
  6. Step 6: Final answer
    x = 2,609.93

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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.