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Finding the Fourth Proportional to 25,968.73, 38,956.85 and 8,193.35

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Solution

The fourth proportional to 25,968.73, 38,956.85 and 8,193.35 is: 12,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,968.73 : 38,956.85 = 8,193.35 : x
  2. Step 2: Convert to fraction form
    25,968.73/38,956.85 = 8,193.35/x
  3. Step 3: Cross multiply
    25,968.73x = 38,956.85 × 8,193.35
  4. Step 4: Simplify right side
    25,968.73x = 319,187,194.10
  5. Step 5: Solve for x
    x = 319,187,194.10/25,968.73
  6. Step 6: Final answer
    x = 12,291.21

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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.