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Finding the Fourth Proportional to 4,959.58, 6,844.38 and 2,721.46

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Solution

The fourth proportional to 4,959.58, 6,844.38 and 2,721.46 is: 3,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.58 : 6,844.38 = 2,721.46 : x
  2. Step 2: Convert to fraction form
    4,959.58/6,844.38 = 2,721.46/x
  3. Step 3: Cross multiply
    4,959.58x = 6,844.38 × 2,721.46
  4. Step 4: Simplify right side
    4,959.58x = 18,626,706.39
  5. Step 5: Solve for x
    x = 18,626,706.39/4,959.58
  6. Step 6: Final answer
    x = 3,755.70

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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.