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Finding the Fourth Proportional to 5,879.04, 8,818.56 and 2,791.68

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Solution

The fourth proportional to 5,879.04, 8,818.56 and 2,791.68 is: 4,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.04 : 8,818.56 = 2,791.68 : x
  2. Step 2: Convert to fraction form
    5,879.04/8,818.56 = 2,791.68/x
  3. Step 3: Cross multiply
    5,879.04x = 8,818.56 × 2,791.68
  4. Step 4: Simplify right side
    5,879.04x = 24,618,597.58
  5. Step 5: Solve for x
    x = 24,618,597.58/5,879.04
  6. Step 6: Final answer
    x = 4,187.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.