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Finding the Fourth Proportional to 31,805.87, 43,893.29 and 17,466.30

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Solution

The fourth proportional to 31,805.87, 43,893.29 and 17,466.30 is: 24,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,805.87 : 43,893.29 = 17,466.30 : x
  2. Step 2: Convert to fraction form
    31,805.87/43,893.29 = 17,466.30/x
  3. Step 3: Cross multiply
    31,805.87x = 43,893.29 × 17,466.30
  4. Step 4: Simplify right side
    31,805.87x = 766,653,414.79
  5. Step 5: Solve for x
    x = 766,653,414.79/31,805.87
  6. Step 6: Final answer
    x = 24,104.15

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1.5x scale

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.