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Finding the Fourth Proportional to 9,235.98, 13,843.68 and 3,687.87

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Solution

The fourth proportional to 9,235.98, 13,843.68 and 3,687.87 is: 5,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.98 : 13,843.68 = 3,687.87 : x
  2. Step 2: Convert to fraction form
    9,235.98/13,843.68 = 3,687.87/x
  3. Step 3: Cross multiply
    9,235.98x = 13,843.68 × 3,687.87
  4. Step 4: Simplify right side
    9,235.98x = 51,053,692.16
  5. Step 5: Solve for x
    x = 51,053,692.16/9,235.98
  6. Step 6: Final answer
    x = 5,527.70

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1.5x scale

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.