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Finding the Fourth Proportional to 67,811.97, 101,706.34 and 17,892.58

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Solution

The fourth proportional to 67,811.97, 101,706.34 and 17,892.58 is: 26,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,811.97 : 101,706.34 = 17,892.58 : x
  2. Step 2: Convert to fraction form
    67,811.97/101,706.34 = 17,892.58/x
  3. Step 3: Cross multiply
    67,811.97x = 101,706.34 × 17,892.58
  4. Step 4: Simplify right side
    67,811.97x = 1,819,788,525.96
  5. Step 5: Solve for x
    x = 1,819,788,525.96/67,811.97
  6. Step 6: Final answer
    x = 26,835.80

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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.