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Finding the Fourth Proportional to 45,911.70, 68,737.95 and 44,615.70

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Solution

The fourth proportional to 45,911.70, 68,737.95 and 44,615.70 is: 66,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,911.70 : 68,737.95 = 44,615.70 : x
  2. Step 2: Convert to fraction form
    45,911.70/68,737.95 = 44,615.70/x
  3. Step 3: Cross multiply
    45,911.70x = 68,737.95 × 44,615.70
  4. Step 4: Simplify right side
    45,911.70x = 3,066,791,755.82
  5. Step 5: Solve for x
    x = 3,066,791,755.82/45,911.70
  6. Step 6: Final answer
    x = 66,797.61

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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.