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Finding the Fourth Proportional to 6,119.82, 8,446.03 and 3,602.55

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Solution

The fourth proportional to 6,119.82, 8,446.03 and 3,602.55 is: 4,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.82 : 8,446.03 = 3,602.55 : x
  2. Step 2: Convert to fraction form
    6,119.82/8,446.03 = 3,602.55/x
  3. Step 3: Cross multiply
    6,119.82x = 8,446.03 × 3,602.55
  4. Step 4: Simplify right side
    6,119.82x = 30,427,254.42
  5. Step 5: Solve for x
    x = 30,427,254.42/6,119.82
  6. Step 6: Final answer
    x = 4,971.92

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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.