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Finding the Fourth Proportional to 6,664.86, 9,998.91 and 2,767.14

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Solution

The fourth proportional to 6,664.86, 9,998.91 and 2,767.14 is: 4,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.86 : 9,998.91 = 2,767.14 : x
  2. Step 2: Convert to fraction form
    6,664.86/9,998.91 = 2,767.14/x
  3. Step 3: Cross multiply
    6,664.86x = 9,998.91 × 2,767.14
  4. Step 4: Simplify right side
    6,664.86x = 27,668,383.82
  5. Step 5: Solve for x
    x = 27,668,383.82/6,664.86
  6. Step 6: Final answer
    x = 4,151.38

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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.