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Finding the Fourth Proportional to 29,553.32, 40,777.99 and 17,617.78

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Solution

The fourth proportional to 29,553.32, 40,777.99 and 17,617.78 is: 24,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,553.32 : 40,777.99 = 17,617.78 : x
  2. Step 2: Convert to fraction form
    29,553.32/40,777.99 = 17,617.78/x
  3. Step 3: Cross multiply
    29,553.32x = 40,777.99 × 17,617.78
  4. Step 4: Simplify right side
    29,553.32x = 718,417,656.66
  5. Step 5: Solve for x
    x = 718,417,656.66/29,553.32
  6. Step 6: Final answer
    x = 24,309.20

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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.