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Finding the Fourth Proportional to 25,683.54, 38,531.22 and 10,893.03

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Solution

The fourth proportional to 25,683.54, 38,531.22 and 10,893.03 is: 16,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,683.54 : 38,531.22 = 10,893.03 : x
  2. Step 2: Convert to fraction form
    25,683.54/38,531.22 = 10,893.03/x
  3. Step 3: Cross multiply
    25,683.54x = 38,531.22 × 10,893.03
  4. Step 4: Simplify right side
    25,683.54x = 419,721,735.40
  5. Step 5: Solve for x
    x = 419,721,735.40/25,683.54
  6. Step 6: Final answer
    x = 16,342.05

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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.