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Finding the Fourth Proportional to 5,227.58, 7,879.79 and 4,926.44

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Solution

The fourth proportional to 5,227.58, 7,879.79 and 4,926.44 is: 7,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.58 : 7,879.79 = 4,926.44 : x
  2. Step 2: Convert to fraction form
    5,227.58/7,879.79 = 4,926.44/x
  3. Step 3: Cross multiply
    5,227.58x = 7,879.79 × 4,926.44
  4. Step 4: Simplify right side
    5,227.58x = 38,819,248.62
  5. Step 5: Solve for x
    x = 38,819,248.62/5,227.58
  6. Step 6: Final answer
    x = 7,425.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.