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Finding the Fourth Proportional to 29,174.80, 43,661.40 and 17,496.40

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Solution

The fourth proportional to 29,174.80, 43,661.40 and 17,496.40 is: 26,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,174.80 : 43,661.40 = 17,496.40 : x
  2. Step 2: Convert to fraction form
    29,174.80/43,661.40 = 17,496.40/x
  3. Step 3: Cross multiply
    29,174.80x = 43,661.40 × 17,496.40
  4. Step 4: Simplify right side
    29,174.80x = 763,917,318.96
  5. Step 5: Solve for x
    x = 763,917,318.96/29,174.80
  6. Step 6: Final answer
    x = 26,184.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.