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Finding the Fourth Proportional to 4,992.91, 6,883.82 and 4,093.39

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Solution

The fourth proportional to 4,992.91, 6,883.82 and 4,093.39 is: 5,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.91 : 6,883.82 = 4,093.39 : x
  2. Step 2: Convert to fraction form
    4,992.91/6,883.82 = 4,093.39/x
  3. Step 3: Cross multiply
    4,992.91x = 6,883.82 × 4,093.39
  4. Step 4: Simplify right side
    4,992.91x = 28,178,149.72
  5. Step 5: Solve for x
    x = 28,178,149.72/4,992.91
  6. Step 6: Final answer
    x = 5,643.63

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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.