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Finding the Fourth Proportional to 7,236.93, 10,857.10 and 5,761.73

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Solution

The fourth proportional to 7,236.93, 10,857.10 and 5,761.73 is: 8,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.93 : 10,857.10 = 5,761.73 : x
  2. Step 2: Convert to fraction form
    7,236.93/10,857.10 = 5,761.73/x
  3. Step 3: Cross multiply
    7,236.93x = 10,857.10 × 5,761.73
  4. Step 4: Simplify right side
    7,236.93x = 62,555,595.69
  5. Step 5: Solve for x
    x = 62,555,595.69/7,236.93
  6. Step 6: Final answer
    x = 8,643.95

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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.