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Finding the Fourth Proportional to 3,995.51, 5,511.17 and 2,424.51

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Solution

The fourth proportional to 3,995.51, 5,511.17 and 2,424.51 is: 3,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.51 : 5,511.17 = 2,424.51 : x
  2. Step 2: Convert to fraction form
    3,995.51/5,511.17 = 2,424.51/x
  3. Step 3: Cross multiply
    3,995.51x = 5,511.17 × 2,424.51
  4. Step 4: Simplify right side
    3,995.51x = 13,361,892.84
  5. Step 5: Solve for x
    x = 13,361,892.84/3,995.51
  6. Step 6: Final answer
    x = 3,344.23

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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.