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Finding the Fourth Proportional to 45,539.70, 68,200.20 and 36,791.70

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Solution

The fourth proportional to 45,539.70, 68,200.20 and 36,791.70 is: 55,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,539.70 : 68,200.20 = 36,791.70 : x
  2. Step 2: Convert to fraction form
    45,539.70/68,200.20 = 36,791.70/x
  3. Step 3: Cross multiply
    45,539.70x = 68,200.20 × 36,791.70
  4. Step 4: Simplify right side
    45,539.70x = 2,509,201,298.34
  5. Step 5: Solve for x
    x = 2,509,201,298.34/45,539.70
  6. Step 6: Final answer
    x = 55,099.21

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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.