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Finding the Fourth Proportional to 8,134, 12,201.60 and 5,956.48

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Solution

The fourth proportional to 8,134, 12,201.60 and 5,956.48 is: 8,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134 : 12,201.60 = 5,956.48 : x
  2. Step 2: Convert to fraction form
    8,134/12,201.60 = 5,956.48/x
  3. Step 3: Cross multiply
    8,134x = 12,201.60 × 5,956.48
  4. Step 4: Simplify right side
    8,134x = 72,678,586.37
  5. Step 5: Solve for x
    x = 72,678,586.37/8,134
  6. Step 6: Final answer
    x = 8,935.16

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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.