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Finding the Fourth Proportional to 29,887.53, 44,820.81 and 8,821.95

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Solution

The fourth proportional to 29,887.53, 44,820.81 and 8,821.95 is: 13,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,887.53 : 44,820.81 = 8,821.95 : x
  2. Step 2: Convert to fraction form
    29,887.53/44,820.81 = 8,821.95/x
  3. Step 3: Cross multiply
    29,887.53x = 44,820.81 × 8,821.95
  4. Step 4: Simplify right side
    29,887.53x = 395,406,944.78
  5. Step 5: Solve for x
    x = 395,406,944.78/29,887.53
  6. Step 6: Final answer
    x = 13,229.83

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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.