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Finding the Fourth Proportional to 18,332.74, 27,499.65 and 5,183.74

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Solution

The fourth proportional to 18,332.74, 27,499.65 and 5,183.74 is: 7,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.74 : 27,499.65 = 5,183.74 : x
  2. Step 2: Convert to fraction form
    18,332.74/27,499.65 = 5,183.74/x
  3. Step 3: Cross multiply
    18,332.74x = 27,499.65 × 5,183.74
  4. Step 4: Simplify right side
    18,332.74x = 142,551,035.69
  5. Step 5: Solve for x
    x = 142,551,035.69/18,332.74
  6. Step 6: Final answer
    x = 7,775.76

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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.