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Finding the Fourth Proportional to 5,908.91, 8,154.30 and 3,220.14

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Solution

The fourth proportional to 5,908.91, 8,154.30 and 3,220.14 is: 4,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.91 : 8,154.30 = 3,220.14 : x
  2. Step 2: Convert to fraction form
    5,908.91/8,154.30 = 3,220.14/x
  3. Step 3: Cross multiply
    5,908.91x = 8,154.30 × 3,220.14
  4. Step 4: Simplify right side
    5,908.91x = 26,258,030.26
  5. Step 5: Solve for x
    x = 26,258,030.26/5,908.91
  6. Step 6: Final answer
    x = 4,443.81

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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.