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Finding the Fourth Proportional to 4,943.22, 6,820.79 and 2,846.94

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Solution

The fourth proportional to 4,943.22, 6,820.79 and 2,846.94 is: 3,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.22 : 6,820.79 = 2,846.94 : x
  2. Step 2: Convert to fraction form
    4,943.22/6,820.79 = 2,846.94/x
  3. Step 3: Cross multiply
    4,943.22x = 6,820.79 × 2,846.94
  4. Step 4: Simplify right side
    4,943.22x = 19,418,365.65
  5. Step 5: Solve for x
    x = 19,418,365.65/4,943.22
  6. Step 6: Final answer
    x = 3,928.28

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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.