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Finding the Fourth Proportional to 29,620.50, 40,876.29 and 16,372.50

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Solution

The fourth proportional to 29,620.50, 40,876.29 and 16,372.50 is: 22,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,620.50 : 40,876.29 = 16,372.50 : x
  2. Step 2: Convert to fraction form
    29,620.50/40,876.29 = 16,372.50/x
  3. Step 3: Cross multiply
    29,620.50x = 40,876.29 × 16,372.50
  4. Step 4: Simplify right side
    29,620.50x = 669,247,058.03
  5. Step 5: Solve for x
    x = 669,247,058.03/29,620.50
  6. Step 6: Final answer
    x = 22,594.05

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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.