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Finding the Fourth Proportional to 18,183.71, 25,093.86 and 10,630.69

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Solution

The fourth proportional to 18,183.71, 25,093.86 and 10,630.69 is: 14,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.71 : 25,093.86 = 10,630.69 : x
  2. Step 2: Convert to fraction form
    18,183.71/25,093.86 = 10,630.69/x
  3. Step 3: Cross multiply
    18,183.71x = 25,093.86 × 10,630.69
  4. Step 4: Simplify right side
    18,183.71x = 266,765,046.56
  5. Step 5: Solve for x
    x = 266,765,046.56/18,183.71
  6. Step 6: Final answer
    x = 14,670.55

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.