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Finding the Fourth Proportional to 3,841.65, 5,761.03 and 1,649.25

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Solution

The fourth proportional to 3,841.65, 5,761.03 and 1,649.25 is: 2,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.65 : 5,761.03 = 1,649.25 : x
  2. Step 2: Convert to fraction form
    3,841.65/5,761.03 = 1,649.25/x
  3. Step 3: Cross multiply
    3,841.65x = 5,761.03 × 1,649.25
  4. Step 4: Simplify right side
    3,841.65x = 9,501,378.73
  5. Step 5: Solve for x
    x = 9,501,378.73/3,841.65
  6. Step 6: Final answer
    x = 2,473.25

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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.