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Finding the Fourth Proportional to 9,390.83, 14,086.25 and 7,633.74

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Solution

The fourth proportional to 9,390.83, 14,086.25 and 7,633.74 is: 11,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.83 : 14,086.25 = 7,633.74 : x
  2. Step 2: Convert to fraction form
    9,390.83/14,086.25 = 7,633.74/x
  3. Step 3: Cross multiply
    9,390.83x = 14,086.25 × 7,633.74
  4. Step 4: Simplify right side
    9,390.83x = 107,530,731.91
  5. Step 5: Solve for x
    x = 107,530,731.91/9,390.83
  6. Step 6: Final answer
    x = 11,450.61

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Double scale
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Similar ratio
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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.