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Finding the Fourth Proportional to 4,992.83, 6,889.82 and 2,754.71

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Solution

The fourth proportional to 4,992.83, 6,889.82 and 2,754.71 is: 3,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.83 : 6,889.82 = 2,754.71 : x
  2. Step 2: Convert to fraction form
    4,992.83/6,889.82 = 2,754.71/x
  3. Step 3: Cross multiply
    4,992.83x = 6,889.82 × 2,754.71
  4. Step 4: Simplify right side
    4,992.83x = 18,979,407.83
  5. Step 5: Solve for x
    x = 18,979,407.83/4,992.83
  6. Step 6: Final answer
    x = 3,801.34

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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.