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Finding the Fourth Proportional to 8,066.70, 12,100.05 and 5,879.70

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Solution

The fourth proportional to 8,066.70, 12,100.05 and 5,879.70 is: 8,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.70 : 12,100.05 = 5,879.70 : x
  2. Step 2: Convert to fraction form
    8,066.70/12,100.05 = 5,879.70/x
  3. Step 3: Cross multiply
    8,066.70x = 12,100.05 × 5,879.70
  4. Step 4: Simplify right side
    8,066.70x = 71,144,663.99
  5. Step 5: Solve for x
    x = 71,144,663.99/8,066.70
  6. Step 6: Final answer
    x = 8,819.55

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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.