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Finding the Fourth Proportional to 4,879.56, 6,732.13 and 2,754.84

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Solution

The fourth proportional to 4,879.56, 6,732.13 and 2,754.84 is: 3,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.56 : 6,732.13 = 2,754.84 : x
  2. Step 2: Convert to fraction form
    4,879.56/6,732.13 = 2,754.84/x
  3. Step 3: Cross multiply
    4,879.56x = 6,732.13 × 2,754.84
  4. Step 4: Simplify right side
    4,879.56x = 18,545,941.01
  5. Step 5: Solve for x
    x = 18,545,941.01/4,879.56
  6. Step 6: Final answer
    x = 3,800.74

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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.