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Finding the Fourth Proportional to 29,606.64, 40,860 and 16,179.94

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Solution

The fourth proportional to 29,606.64, 40,860 and 16,179.94 is: 22,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,606.64 : 40,860 = 16,179.94 : x
  2. Step 2: Convert to fraction form
    29,606.64/40,860 = 16,179.94/x
  3. Step 3: Cross multiply
    29,606.64x = 40,860 × 16,179.94
  4. Step 4: Simplify right side
    29,606.64x = 661,112,348.40
  5. Step 5: Solve for x
    x = 661,112,348.40/29,606.64
  6. Step 6: Final answer
    x = 22,329.87

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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.