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Finding the Fourth Proportional to 67,390.14, 100,949.85 and 33,554.22

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Solution

The fourth proportional to 67,390.14, 100,949.85 and 33,554.22 is: 50,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,390.14 : 100,949.85 = 33,554.22 : x
  2. Step 2: Convert to fraction form
    67,390.14/100,949.85 = 33,554.22/x
  3. Step 3: Cross multiply
    67,390.14x = 100,949.85 × 33,554.22
  4. Step 4: Simplify right side
    67,390.14x = 3,387,293,475.87
  5. Step 5: Solve for x
    x = 3,387,293,475.87/67,390.14
  6. Step 6: Final answer
    x = 50,263.93

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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.