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Finding the Fourth Proportional to 11,036.30, 15,229.78 and 6,256.69

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Solution

The fourth proportional to 11,036.30, 15,229.78 and 6,256.69 is: 8,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.30 : 15,229.78 = 6,256.69 : x
  2. Step 2: Convert to fraction form
    11,036.30/15,229.78 = 6,256.69/x
  3. Step 3: Cross multiply
    11,036.30x = 15,229.78 × 6,256.69
  4. Step 4: Simplify right side
    11,036.30x = 95,287,904.80
  5. Step 5: Solve for x
    x = 95,287,904.80/11,036.30
  6. Step 6: Final answer
    x = 8,634.04

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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.