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Finding the Fourth Proportional to 15,026.26, 20,736.44 and 9,363.30

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Solution

The fourth proportional to 15,026.26, 20,736.44 and 9,363.30 is: 12,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,026.26 : 20,736.44 = 9,363.30 : x
  2. Step 2: Convert to fraction form
    15,026.26/20,736.44 = 9,363.30/x
  3. Step 3: Cross multiply
    15,026.26x = 20,736.44 × 9,363.30
  4. Step 4: Simplify right side
    15,026.26x = 194,161,458.69
  5. Step 5: Solve for x
    x = 194,161,458.69/15,026.26
  6. Step 6: Final answer
    x = 12,921.48

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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.