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Finding the Fourth Proportional to 4,992.58, 6,889.65 and 2,754.37

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Solution

The fourth proportional to 4,992.58, 6,889.65 and 2,754.37 is: 3,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.58 : 6,889.65 = 2,754.37 : x
  2. Step 2: Convert to fraction form
    4,992.58/6,889.65 = 2,754.37/x
  3. Step 3: Cross multiply
    4,992.58x = 6,889.65 × 2,754.37
  4. Step 4: Simplify right side
    4,992.58x = 18,976,610.82
  5. Step 5: Solve for x
    x = 18,976,610.82/4,992.58
  6. Step 6: Final answer
    x = 3,800.97

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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.