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Finding the Fourth Proportional to 69,797.82, 104,696.58 and 20,549.82

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Solution

The fourth proportional to 69,797.82, 104,696.58 and 20,549.82 is: 30,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,797.82 : 104,696.58 = 20,549.82 : x
  2. Step 2: Convert to fraction form
    69,797.82/104,696.58 = 20,549.82/x
  3. Step 3: Cross multiply
    69,797.82x = 104,696.58 × 20,549.82
  4. Step 4: Simplify right side
    69,797.82x = 2,151,495,873.62
  5. Step 5: Solve for x
    x = 2,151,495,873.62/69,797.82
  6. Step 6: Final answer
    x = 30,824.69

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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.