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Finding the Fourth Proportional to 14,003.25, 20,997.45 and 4,141.16

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Solution

The fourth proportional to 14,003.25, 20,997.45 and 4,141.16 is: 6,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.25 : 20,997.45 = 4,141.16 : x
  2. Step 2: Convert to fraction form
    14,003.25/20,997.45 = 4,141.16/x
  3. Step 3: Cross multiply
    14,003.25x = 20,997.45 × 4,141.16
  4. Step 4: Simplify right side
    14,003.25x = 86,953,852.54
  5. Step 5: Solve for x
    x = 86,953,852.54/14,003.25
  6. Step 6: Final answer
    x = 6,209.55

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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.