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Finding the Fourth Proportional to 67,212.01, 100,818.02 and 27,770.14

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Solution

The fourth proportional to 67,212.01, 100,818.02 and 27,770.14 is: 41,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,212.01 : 100,818.02 = 27,770.14 : x
  2. Step 2: Convert to fraction form
    67,212.01/100,818.02 = 27,770.14/x
  3. Step 3: Cross multiply
    67,212.01x = 100,818.02 × 27,770.14
  4. Step 4: Simplify right side
    67,212.01x = 2,799,730,529.92
  5. Step 5: Solve for x
    x = 2,799,730,529.92/67,212.01
  6. Step 6: Final answer
    x = 41,655.21

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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.