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Finding the Fourth Proportional to 15,514.95, 23,282.82 and 5,519.31

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Solution

The fourth proportional to 15,514.95, 23,282.82 and 5,519.31 is: 8,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.95 : 23,282.82 = 5,519.31 : x
  2. Step 2: Convert to fraction form
    15,514.95/23,282.82 = 5,519.31/x
  3. Step 3: Cross multiply
    15,514.95x = 23,282.82 × 5,519.31
  4. Step 4: Simplify right side
    15,514.95x = 128,505,101.25
  5. Step 5: Solve for x
    x = 128,505,101.25/15,514.95
  6. Step 6: Final answer
    x = 8,282.66

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