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Finding the Fourth Proportional to 29,702.93, 40,991.40 and 16,959.56

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Solution

The fourth proportional to 29,702.93, 40,991.40 and 16,959.56 is: 23,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,702.93 : 40,991.40 = 16,959.56 : x
  2. Step 2: Convert to fraction form
    29,702.93/40,991.40 = 16,959.56/x
  3. Step 3: Cross multiply
    29,702.93x = 40,991.40 × 16,959.56
  4. Step 4: Simplify right side
    29,702.93x = 695,196,107.78
  5. Step 5: Solve for x
    x = 695,196,107.78/29,702.93
  6. Step 6: Final answer
    x = 23,404.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.