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Finding the Fourth Proportional to 29,564.80, 40,799.73 and 16,135.90

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Solution

The fourth proportional to 29,564.80, 40,799.73 and 16,135.90 is: 22,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,564.80 : 40,799.73 = 16,135.90 : x
  2. Step 2: Convert to fraction form
    29,564.80/40,799.73 = 16,135.90/x
  3. Step 3: Cross multiply
    29,564.80x = 40,799.73 × 16,135.90
  4. Step 4: Simplify right side
    29,564.80x = 658,340,363.31
  5. Step 5: Solve for x
    x = 658,340,363.31/29,564.80
  6. Step 6: Final answer
    x = 22,267.71

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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.