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Finding the Fourth Proportional to 29,687.20, 44,530.80 and 26,771.20

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Solution

The fourth proportional to 29,687.20, 44,530.80 and 26,771.20 is: 40,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,687.20 : 44,530.80 = 26,771.20 : x
  2. Step 2: Convert to fraction form
    29,687.20/44,530.80 = 26,771.20/x
  3. Step 3: Cross multiply
    29,687.20x = 44,530.80 × 26,771.20
  4. Step 4: Simplify right side
    29,687.20x = 1,192,142,952.96
  5. Step 5: Solve for x
    x = 1,192,142,952.96/29,687.20
  6. Step 6: Final answer
    x = 40,156.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.