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Finding the Fourth Proportional to 8,090.16, 12,141 and 3,474.48

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Solution

The fourth proportional to 8,090.16, 12,141 and 3,474.48 is: 5,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.16 : 12,141 = 3,474.48 : x
  2. Step 2: Convert to fraction form
    8,090.16/12,141 = 3,474.48/x
  3. Step 3: Cross multiply
    8,090.16x = 12,141 × 3,474.48
  4. Step 4: Simplify right side
    8,090.16x = 42,183,661.68
  5. Step 5: Solve for x
    x = 42,183,661.68/8,090.16
  6. Step 6: Final answer
    x = 5,214.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.