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Finding the Fourth Proportional to 29,507.98, 40,720.49 and 16,079.32

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Solution

The fourth proportional to 29,507.98, 40,720.49 and 16,079.32 is: 22,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.98 : 40,720.49 = 16,079.32 : x
  2. Step 2: Convert to fraction form
    29,507.98/40,720.49 = 16,079.32/x
  3. Step 3: Cross multiply
    29,507.98x = 40,720.49 × 16,079.32
  4. Step 4: Simplify right side
    29,507.98x = 654,757,505.27
  5. Step 5: Solve for x
    x = 654,757,505.27/29,507.98
  6. Step 6: Final answer
    x = 22,189.17

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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.