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Finding the Fourth Proportional to 16,761.48, 23,135 and 9,692

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Solution

The fourth proportional to 16,761.48, 23,135 and 9,692 is: 13,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.48 : 23,135 = 9,692 : x
  2. Step 2: Convert to fraction form
    16,761.48/23,135 = 9,692/x
  3. Step 3: Cross multiply
    16,761.48x = 23,135 × 9,692
  4. Step 4: Simplify right side
    16,761.48x = 224,224,420
  5. Step 5: Solve for x
    x = 224,224,420/16,761.48
  6. Step 6: Final answer
    x = 13,377.36

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Why These Related Problems?

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