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Finding the Fourth Proportional to 38,856.82, 53,644.53 and 25,647.22

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Solution

The fourth proportional to 38,856.82, 53,644.53 and 25,647.22 is: 35,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,856.82 : 53,644.53 = 25,647.22 : x
  2. Step 2: Convert to fraction form
    38,856.82/53,644.53 = 25,647.22/x
  3. Step 3: Cross multiply
    38,856.82x = 53,644.53 × 25,647.22
  4. Step 4: Simplify right side
    38,856.82x = 1,375,833,062.71
  5. Step 5: Solve for x
    x = 1,375,833,062.71/38,856.82
  6. Step 6: Final answer
    x = 35,407.76

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