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Finding the Fourth Proportional to 54,169.76, 81,264.81 and 24,589.67

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Solution

The fourth proportional to 54,169.76, 81,264.81 and 24,589.67 is: 36,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169.76 : 81,264.81 = 24,589.67 : x
  2. Step 2: Convert to fraction form
    54,169.76/81,264.81 = 24,589.67/x
  3. Step 3: Cross multiply
    54,169.76x = 81,264.81 × 24,589.67
  4. Step 4: Simplify right side
    54,169.76x = 1,998,274,860.51
  5. Step 5: Solve for x
    x = 1,998,274,860.51/54,169.76
  6. Step 6: Final answer
    x = 36,889.12

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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.