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Finding the Fourth Proportional to 25,751.33, 38,644.31 and 9,111.30

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Solution

The fourth proportional to 25,751.33, 38,644.31 and 9,111.30 is: 13,673.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.33 : 38,644.31 = 9,111.30 : x
  2. Step 2: Convert to fraction form
    25,751.33/38,644.31 = 9,111.30/x
  3. Step 3: Cross multiply
    25,751.33x = 38,644.31 × 9,111.30
  4. Step 4: Simplify right side
    25,751.33x = 352,099,901.70
  5. Step 5: Solve for x
    x = 352,099,901.70/25,751.33
  6. Step 6: Final answer
    x = 13,673.08

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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.