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Finding the Fourth Proportional to 60,324.45, 90,498.45 and 18,207.96

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Solution

The fourth proportional to 60,324.45, 90,498.45 and 18,207.96 is: 27,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,324.45 : 90,498.45 = 18,207.96 : x
  2. Step 2: Convert to fraction form
    60,324.45/90,498.45 = 18,207.96/x
  3. Step 3: Cross multiply
    60,324.45x = 90,498.45 × 18,207.96
  4. Step 4: Simplify right side
    60,324.45x = 1,647,792,157.66
  5. Step 5: Solve for x
    x = 1,647,792,157.66/60,324.45
  6. Step 6: Final answer
    x = 27,315.49

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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.