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Finding the Fourth Proportional to 18,313.73, 27,472.61 and 5,830.82

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Solution

The fourth proportional to 18,313.73, 27,472.61 and 5,830.82 is: 8,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.73 : 27,472.61 = 5,830.82 : x
  2. Step 2: Convert to fraction form
    18,313.73/27,472.61 = 5,830.82/x
  3. Step 3: Cross multiply
    18,313.73x = 27,472.61 × 5,830.82
  4. Step 4: Simplify right side
    18,313.73x = 160,187,898.98
  5. Step 5: Solve for x
    x = 160,187,898.98/18,313.73
  6. Step 6: Final answer
    x = 8,746.87

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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.