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Finding the Fourth Proportional to 4,789.13, 7,183.70 and 1,502.48

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Solution

The fourth proportional to 4,789.13, 7,183.70 and 1,502.48 is: 2,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.13 : 7,183.70 = 1,502.48 : x
  2. Step 2: Convert to fraction form
    4,789.13/7,183.70 = 1,502.48/x
  3. Step 3: Cross multiply
    4,789.13x = 7,183.70 × 1,502.48
  4. Step 4: Simplify right side
    4,789.13x = 10,793,322.15
  5. Step 5: Solve for x
    x = 10,793,322.15/4,789.13
  6. Step 6: Final answer
    x = 2,253.71

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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.