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Finding the Fourth Proportional to 7,891.26, 11,832.83 and 2,624.37

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Solution

The fourth proportional to 7,891.26, 11,832.83 and 2,624.37 is: 3,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.26 : 11,832.83 = 2,624.37 : x
  2. Step 2: Convert to fraction form
    7,891.26/11,832.83 = 2,624.37/x
  3. Step 3: Cross multiply
    7,891.26x = 11,832.83 × 2,624.37
  4. Step 4: Simplify right side
    7,891.26x = 31,053,710.95
  5. Step 5: Solve for x
    x = 31,053,710.95/7,891.26
  6. Step 6: Final answer
    x = 3,935.20

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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.