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Finding the Fourth Proportional to 60,363.54, 90,563.84 and 28,813.86

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Solution

The fourth proportional to 60,363.54, 90,563.84 and 28,813.86 is: 43,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,363.54 : 90,563.84 = 28,813.86 : x
  2. Step 2: Convert to fraction form
    60,363.54/90,563.84 = 28,813.86/x
  3. Step 3: Cross multiply
    60,363.54x = 90,563.84 × 28,813.86
  4. Step 4: Simplify right side
    60,363.54x = 2,609,493,426.04
  5. Step 5: Solve for x
    x = 2,609,493,426.04/60,363.54
  6. Step 6: Final answer
    x = 43,229.63

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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.