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Finding the Fourth Proportional to 25,336.30, 38,005.22 and 8,696.09

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Solution

The fourth proportional to 25,336.30, 38,005.22 and 8,696.09 is: 13,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,336.30 : 38,005.22 = 8,696.09 : x
  2. Step 2: Convert to fraction form
    25,336.30/38,005.22 = 8,696.09/x
  3. Step 3: Cross multiply
    25,336.30x = 38,005.22 × 8,696.09
  4. Step 4: Simplify right side
    25,336.30x = 330,496,897.73
  5. Step 5: Solve for x
    x = 330,496,897.73/25,336.30
  6. Step 6: Final answer
    x = 13,044.40

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