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Finding the Fourth Proportional to 4,808.82, 6,636.06 and 2,712.99

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Solution

The fourth proportional to 4,808.82, 6,636.06 and 2,712.99 is: 3,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.82 : 6,636.06 = 2,712.99 : x
  2. Step 2: Convert to fraction form
    4,808.82/6,636.06 = 2,712.99/x
  3. Step 3: Cross multiply
    4,808.82x = 6,636.06 × 2,712.99
  4. Step 4: Simplify right side
    4,808.82x = 18,003,564.42
  5. Step 5: Solve for x
    x = 18,003,564.42/4,808.82
  6. Step 6: Final answer
    x = 3,743.86

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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.