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Finding the Fourth Proportional to 60,553.98, 90,820.26 and 18,423.90

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Solution

The fourth proportional to 60,553.98, 90,820.26 and 18,423.90 is: 27,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,553.98 : 90,820.26 = 18,423.90 : x
  2. Step 2: Convert to fraction form
    60,553.98/90,820.26 = 18,423.90/x
  3. Step 3: Cross multiply
    60,553.98x = 90,820.26 × 18,423.90
  4. Step 4: Simplify right side
    60,553.98x = 1,673,263,388.21
  5. Step 5: Solve for x
    x = 1,673,263,388.21/60,553.98
  6. Step 6: Final answer
    x = 27,632.59

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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.