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Finding the Fourth Proportional to 29,666.62, 40,940.02 and 16,237.98

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Solution

The fourth proportional to 29,666.62, 40,940.02 and 16,237.98 is: 22,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,666.62 : 40,940.02 = 16,237.98 : x
  2. Step 2: Convert to fraction form
    29,666.62/40,940.02 = 16,237.98/x
  3. Step 3: Cross multiply
    29,666.62x = 40,940.02 × 16,237.98
  4. Step 4: Simplify right side
    29,666.62x = 664,783,246.26
  5. Step 5: Solve for x
    x = 664,783,246.26/29,666.62
  6. Step 6: Final answer
    x = 22,408.46

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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.