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Finding the Fourth Proportional to 60,770.68, 83,863.60 and 33,913.18

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Solution

The fourth proportional to 60,770.68, 83,863.60 and 33,913.18 is: 46,800.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,770.68 : 83,863.60 = 33,913.18 : x
  2. Step 2: Convert to fraction form
    60,770.68/83,863.60 = 33,913.18/x
  3. Step 3: Cross multiply
    60,770.68x = 83,863.60 × 33,913.18
  4. Step 4: Simplify right side
    60,770.68x = 2,844,081,067.81
  5. Step 5: Solve for x
    x = 2,844,081,067.81/60,770.68
  6. Step 6: Final answer
    x = 46,800.22

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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.