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Finding the Fourth Proportional to 18,235.13, 27,360.92 and 10,443.94

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Solution

The fourth proportional to 18,235.13, 27,360.92 and 10,443.94 is: 15,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.13 : 27,360.92 = 10,443.94 : x
  2. Step 2: Convert to fraction form
    18,235.13/27,360.92 = 10,443.94/x
  3. Step 3: Cross multiply
    18,235.13x = 27,360.92 × 10,443.94
  4. Step 4: Simplify right side
    18,235.13x = 285,755,764.53
  5. Step 5: Solve for x
    x = 285,755,764.53/18,235.13
  6. Step 6: Final answer
    x = 15,670.62

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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.