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Finding the Fourth Proportional to 5,066.85, 6,992.64 and 2,828.82

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Solution

The fourth proportional to 5,066.85, 6,992.64 and 2,828.82 is: 3,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.85 : 6,992.64 = 2,828.82 : x
  2. Step 2: Convert to fraction form
    5,066.85/6,992.64 = 2,828.82/x
  3. Step 3: Cross multiply
    5,066.85x = 6,992.64 × 2,828.82
  4. Step 4: Simplify right side
    5,066.85x = 19,780,919.88
  5. Step 5: Solve for x
    x = 19,780,919.88/5,066.85
  6. Step 6: Final answer
    x = 3,903.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.