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Finding the Fourth Proportional to 29,475.25, 40,663.81 and 18,141.32

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Solution

The fourth proportional to 29,475.25, 40,663.81 and 18,141.32 is: 25,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,475.25 : 40,663.81 = 18,141.32 : x
  2. Step 2: Convert to fraction form
    29,475.25/40,663.81 = 18,141.32/x
  3. Step 3: Cross multiply
    29,475.25x = 40,663.81 × 18,141.32
  4. Step 4: Simplify right side
    29,475.25x = 737,695,189.63
  5. Step 5: Solve for x
    x = 737,695,189.63/29,475.25
  6. Step 6: Final answer
    x = 25,027.61

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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.