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Finding the Fourth Proportional to 29,242.64, 40,353.31 and 16,495.45

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Solution

The fourth proportional to 29,242.64, 40,353.31 and 16,495.45 is: 22,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,242.64 : 40,353.31 = 16,495.45 : x
  2. Step 2: Convert to fraction form
    29,242.64/40,353.31 = 16,495.45/x
  3. Step 3: Cross multiply
    29,242.64x = 40,353.31 × 16,495.45
  4. Step 4: Simplify right side
    29,242.64x = 665,646,007.44
  5. Step 5: Solve for x
    x = 665,646,007.44/29,242.64
  6. Step 6: Final answer
    x = 22,762.86

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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.