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Finding the Fourth Proportional to 8,149,474.70, 12,224,212.05 and 8,149,474.70

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Solution

The fourth proportional to 8,149,474.70, 12,224,212.05 and 8,149,474.70 is: 12,224,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,474.70 : 12,224,212.05 = 8,149,474.70 : x
  2. Step 2: Convert to fraction form
    8,149,474.70/12,224,212.05 = 8,149,474.70/x
  3. Step 3: Cross multiply
    8,149,474.70x = 12,224,212.05 × 8,149,474.70
  4. Step 4: Simplify right side
    8,149,474.70x = 99,620,906,828,910.14
  5. Step 5: Solve for x
    x = 99,620,906,828,910.14/8,149,474.70
  6. Step 6: Final answer
    x = 12,224,212.05

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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.