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Finding the Fourth Proportional to 4,998.27, 6,891.12 and 4,098.63

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Solution

The fourth proportional to 4,998.27, 6,891.12 and 4,098.63 is: 5,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.27 : 6,891.12 = 4,098.63 : x
  2. Step 2: Convert to fraction form
    4,998.27/6,891.12 = 4,098.63/x
  3. Step 3: Cross multiply
    4,998.27x = 6,891.12 × 4,098.63
  4. Step 4: Simplify right side
    4,998.27x = 28,244,151.17
  5. Step 5: Solve for x
    x = 28,244,151.17/4,998.27
  6. Step 6: Final answer
    x = 5,650.79

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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.