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Finding the Fourth Proportional to 8,446.82, 11,656.58 and 4,720.82

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Solution

The fourth proportional to 8,446.82, 11,656.58 and 4,720.82 is: 6,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.82 : 11,656.58 = 4,720.82 : x
  2. Step 2: Convert to fraction form
    8,446.82/11,656.58 = 4,720.82/x
  3. Step 3: Cross multiply
    8,446.82x = 11,656.58 × 4,720.82
  4. Step 4: Simplify right side
    8,446.82x = 55,028,616.00
  5. Step 5: Solve for x
    x = 55,028,616.00/8,446.82
  6. Step 6: Final answer
    x = 6,514.71

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