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Finding the Fourth Proportional to 11,036.88, 15,215.99 and 7,493.94

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Solution

The fourth proportional to 11,036.88, 15,215.99 and 7,493.94 is: 10,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.88 : 15,215.99 = 7,493.94 : x
  2. Step 2: Convert to fraction form
    11,036.88/15,215.99 = 7,493.94/x
  3. Step 3: Cross multiply
    11,036.88x = 15,215.99 × 7,493.94
  4. Step 4: Simplify right side
    11,036.88x = 114,027,716.10
  5. Step 5: Solve for x
    x = 114,027,716.10/11,036.88
  6. Step 6: Final answer
    x = 10,331.52

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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.