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Finding the Fourth Proportional to 67,825.50, 101,741.13 and 18,577.50

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Solution

The fourth proportional to 67,825.50, 101,741.13 and 18,577.50 is: 27,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,825.50 : 101,741.13 = 18,577.50 : x
  2. Step 2: Convert to fraction form
    67,825.50/101,741.13 = 18,577.50/x
  3. Step 3: Cross multiply
    67,825.50x = 101,741.13 × 18,577.50
  4. Step 4: Simplify right side
    67,825.50x = 1,890,095,842.58
  5. Step 5: Solve for x
    x = 1,890,095,842.58/67,825.50
  6. Step 6: Final answer
    x = 27,867.04

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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.