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Finding the Fourth Proportional to 29,491.91, 40,698.50 and 16,063.11

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Solution

The fourth proportional to 29,491.91, 40,698.50 and 16,063.11 is: 22,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,491.91 : 40,698.50 = 16,063.11 : x
  2. Step 2: Convert to fraction form
    29,491.91/40,698.50 = 16,063.11/x
  3. Step 3: Cross multiply
    29,491.91x = 40,698.50 × 16,063.11
  4. Step 4: Simplify right side
    29,491.91x = 653,744,402.02
  5. Step 5: Solve for x
    x = 653,744,402.02/29,491.91
  6. Step 6: Final answer
    x = 22,166.91

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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.