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Finding the Fourth Proportional to 60,847.53, 83,972.87 and 33,990.63

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Solution

The fourth proportional to 60,847.53, 83,972.87 and 33,990.63 is: 46,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,847.53 : 83,972.87 = 33,990.63 : x
  2. Step 2: Convert to fraction form
    60,847.53/83,972.87 = 33,990.63/x
  3. Step 3: Cross multiply
    60,847.53x = 83,972.87 × 33,990.63
  4. Step 4: Simplify right side
    60,847.53x = 2,854,290,754.21
  5. Step 5: Solve for x
    x = 2,854,290,754.21/60,847.53
  6. Step 6: Final answer
    x = 46,908.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.