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Finding the Fourth Proportional to 29,530.39, 40,751.04 and 16,101.90

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Solution

The fourth proportional to 29,530.39, 40,751.04 and 16,101.90 is: 22,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,530.39 : 40,751.04 = 16,101.90 : x
  2. Step 2: Convert to fraction form
    29,530.39/40,751.04 = 16,101.90/x
  3. Step 3: Cross multiply
    29,530.39x = 40,751.04 × 16,101.90
  4. Step 4: Simplify right side
    29,530.39x = 656,169,170.98
  5. Step 5: Solve for x
    x = 656,169,170.98/29,530.39
  6. Step 6: Final answer
    x = 22,220.14

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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.