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Finding the Fourth Proportional to 4,959.19, 6,843.88 and 2,721.14

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Solution

The fourth proportional to 4,959.19, 6,843.88 and 2,721.14 is: 3,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.19 : 6,843.88 = 2,721.14 : x
  2. Step 2: Convert to fraction form
    4,959.19/6,843.88 = 2,721.14/x
  3. Step 3: Cross multiply
    4,959.19x = 6,843.88 × 2,721.14
  4. Step 4: Simplify right side
    4,959.19x = 18,623,173.66
  5. Step 5: Solve for x
    x = 18,623,173.66/4,959.19
  6. Step 6: Final answer
    x = 3,755.28

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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.