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Finding the Fourth Proportional to 60,850.76, 83,976.40 and 35,356.84

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Solution

The fourth proportional to 60,850.76, 83,976.40 and 35,356.84 is: 48,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,850.76 : 83,976.40 = 35,356.84 : x
  2. Step 2: Convert to fraction form
    60,850.76/83,976.40 = 35,356.84/x
  3. Step 3: Cross multiply
    60,850.76x = 83,976.40 × 35,356.84
  4. Step 4: Simplify right side
    60,850.76x = 2,969,140,138.58
  5. Step 5: Solve for x
    x = 2,969,140,138.58/60,850.76
  6. Step 6: Final answer
    x = 48,793.81

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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.