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Finding the Fourth Proportional to 69,616.76, 96,068.56 and 37,784.97

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Solution

The fourth proportional to 69,616.76, 96,068.56 and 37,784.97 is: 52,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,616.76 : 96,068.56 = 37,784.97 : x
  2. Step 2: Convert to fraction form
    69,616.76/96,068.56 = 37,784.97/x
  3. Step 3: Cross multiply
    69,616.76x = 96,068.56 × 37,784.97
  4. Step 4: Simplify right side
    69,616.76x = 3,629,947,708.79
  5. Step 5: Solve for x
    x = 3,629,947,708.79/69,616.76
  6. Step 6: Final answer
    x = 52,141.87

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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.