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Finding the Fourth Proportional to 15,879.82, 23,814.14 and 6,517.12

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Solution

The fourth proportional to 15,879.82, 23,814.14 and 6,517.12 is: 9,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.82 : 23,814.14 = 6,517.12 : x
  2. Step 2: Convert to fraction form
    15,879.82/23,814.14 = 6,517.12/x
  3. Step 3: Cross multiply
    15,879.82x = 23,814.14 × 6,517.12
  4. Step 4: Simplify right side
    15,879.82x = 155,199,608.08
  5. Step 5: Solve for x
    x = 155,199,608.08/15,879.82
  6. Step 6: Final answer
    x = 9,773.39

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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.