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Finding the Fourth Proportional to 29,415.92, 44,099.22 and 20,505.11

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Solution

The fourth proportional to 29,415.92, 44,099.22 and 20,505.11 is: 30,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.92 : 44,099.22 = 20,505.11 : x
  2. Step 2: Convert to fraction form
    29,415.92/44,099.22 = 20,505.11/x
  3. Step 3: Cross multiply
    29,415.92x = 44,099.22 × 20,505.11
  4. Step 4: Simplify right side
    29,415.92x = 904,259,136.52
  5. Step 5: Solve for x
    x = 904,259,136.52/29,415.92
  6. Step 6: Final answer
    x = 30,740.47

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1.5x scale

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.