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Finding the Fourth Proportional to 15,592.58, 21,518.07 and 8,519.44

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Solution

The fourth proportional to 15,592.58, 21,518.07 and 8,519.44 is: 11,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.58 : 21,518.07 = 8,519.44 : x
  2. Step 2: Convert to fraction form
    15,592.58/21,518.07 = 8,519.44/x
  3. Step 3: Cross multiply
    15,592.58x = 21,518.07 × 8,519.44
  4. Step 4: Simplify right side
    15,592.58x = 183,321,906.28
  5. Step 5: Solve for x
    x = 183,321,906.28/15,592.58
  6. Step 6: Final answer
    x = 11,757.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.