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Finding the Fourth Proportional to 13,416.54, 20,131.50 and 6,026.28

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Solution

The fourth proportional to 13,416.54, 20,131.50 and 6,026.28 is: 9,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.54 : 20,131.50 = 6,026.28 : x
  2. Step 2: Convert to fraction form
    13,416.54/20,131.50 = 6,026.28/x
  3. Step 3: Cross multiply
    13,416.54x = 20,131.50 × 6,026.28
  4. Step 4: Simplify right side
    13,416.54x = 121,318,055.82
  5. Step 5: Solve for x
    x = 121,318,055.82/13,416.54
  6. Step 6: Final answer
    x = 9,042.42

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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.