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Finding the Fourth Proportional to 13,046.25, 18,003.83 and 7,457.37

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Solution

The fourth proportional to 13,046.25, 18,003.83 and 7,457.37 is: 10,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.25 : 18,003.83 = 7,457.37 : x
  2. Step 2: Convert to fraction form
    13,046.25/18,003.83 = 7,457.37/x
  3. Step 3: Cross multiply
    13,046.25x = 18,003.83 × 7,457.37
  4. Step 4: Simplify right side
    13,046.25x = 134,261,184.44
  5. Step 5: Solve for x
    x = 134,261,184.44/13,046.25
  6. Step 6: Final answer
    x = 10,291.17

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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.