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Finding the Fourth Proportional to 29,356, 40,511.28 and 16,108

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Solution

The fourth proportional to 29,356, 40,511.28 and 16,108 is: 22,229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,356 : 40,511.28 = 16,108 : x
  2. Step 2: Convert to fraction form
    29,356/40,511.28 = 16,108/x
  3. Step 3: Cross multiply
    29,356x = 40,511.28 × 16,108
  4. Step 4: Simplify right side
    29,356x = 652,555,698.24
  5. Step 5: Solve for x
    x = 652,555,698.24/29,356
  6. Step 6: Final answer
    x = 22,229.04

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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.