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Finding the Fourth Proportional to 45,849.66, 68,685.93 and 33,820.62

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Solution

The fourth proportional to 45,849.66, 68,685.93 and 33,820.62 is: 50,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,849.66 : 68,685.93 = 33,820.62 : x
  2. Step 2: Convert to fraction form
    45,849.66/68,685.93 = 33,820.62/x
  3. Step 3: Cross multiply
    45,849.66x = 68,685.93 × 33,820.62
  4. Step 4: Simplify right side
    45,849.66x = 2,323,000,737.88
  5. Step 5: Solve for x
    x = 2,323,000,737.88/45,849.66
  6. Step 6: Final answer
    x = 50,665.60

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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.