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Finding the Fourth Proportional to 73,735.88, 110,603.82 and 18,331.88

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Solution

The fourth proportional to 73,735.88, 110,603.82 and 18,331.88 is: 27,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,735.88 : 110,603.82 = 18,331.88 : x
  2. Step 2: Convert to fraction form
    73,735.88/110,603.82 = 18,331.88/x
  3. Step 3: Cross multiply
    73,735.88x = 110,603.82 × 18,331.88
  4. Step 4: Simplify right side
    73,735.88x = 2,027,575,402.76
  5. Step 5: Solve for x
    x = 2,027,575,402.76/73,735.88
  6. Step 6: Final answer
    x = 27,497.81

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1.5x scale

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.