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Finding the Fourth Proportional to 67,594.97, 101,393.82 and 20,847.84

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Solution

The fourth proportional to 67,594.97, 101,393.82 and 20,847.84 is: 31,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,594.97 : 101,393.82 = 20,847.84 : x
  2. Step 2: Convert to fraction form
    67,594.97/101,393.82 = 20,847.84/x
  3. Step 3: Cross multiply
    67,594.97x = 101,393.82 × 20,847.84
  4. Step 4: Simplify right side
    67,594.97x = 2,113,842,136.35
  5. Step 5: Solve for x
    x = 2,113,842,136.35/67,594.97
  6. Step 6: Final answer
    x = 31,272.18

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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.