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Finding the Fourth Proportional to 29,011, 40,035.22 and 16,436.60

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Solution

The fourth proportional to 29,011, 40,035.22 and 16,436.60 is: 22,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,011 : 40,035.22 = 16,436.60 : x
  2. Step 2: Convert to fraction form
    29,011/40,035.22 = 16,436.60/x
  3. Step 3: Cross multiply
    29,011x = 40,035.22 × 16,436.60
  4. Step 4: Simplify right side
    29,011x = 658,042,897.05
  5. Step 5: Solve for x
    x = 658,042,897.05/29,011
  6. Step 6: Final answer
    x = 22,682.53

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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.