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Finding the Fourth Proportional to 43,491.57, 65,250.00 and 18,203.01

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Solution

The fourth proportional to 43,491.57, 65,250.00 and 18,203.01 is: 27,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,491.57 : 65,250.00 = 18,203.01 : x
  2. Step 2: Convert to fraction form
    43,491.57/65,250.00 = 18,203.01/x
  3. Step 3: Cross multiply
    43,491.57x = 65,250.00 × 18,203.01
  4. Step 4: Simplify right side
    43,491.57x = 1,187,746,311.48
  5. Step 5: Solve for x
    x = 1,187,746,311.48/43,491.57
  6. Step 6: Final answer
    x = 27,309.81

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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.