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Finding the Fourth Proportional to 67,734.54, 101,600.67 and 18,486.54

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Solution

The fourth proportional to 67,734.54, 101,600.67 and 18,486.54 is: 27,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,734.54 : 101,600.67 = 18,486.54 : x
  2. Step 2: Convert to fraction form
    67,734.54/101,600.67 = 18,486.54/x
  3. Step 3: Cross multiply
    67,734.54x = 101,600.67 × 18,486.54
  4. Step 4: Simplify right side
    67,734.54x = 1,878,244,849.98
  5. Step 5: Solve for x
    x = 1,878,244,849.98/67,734.54
  6. Step 6: Final answer
    x = 27,729.50

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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.