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Finding the Fourth Proportional to 29,451.13, 40,642.36 and 16,706.79

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Solution

The fourth proportional to 29,451.13, 40,642.36 and 16,706.79 is: 23,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,451.13 : 40,642.36 = 16,706.79 : x
  2. Step 2: Convert to fraction form
    29,451.13/40,642.36 = 16,706.79/x
  3. Step 3: Cross multiply
    29,451.13x = 40,642.36 × 16,706.79
  4. Step 4: Simplify right side
    29,451.13x = 679,003,331.86
  5. Step 5: Solve for x
    x = 679,003,331.86/29,451.13
  6. Step 6: Final answer
    x = 23,055.26

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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.