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Finding the Fourth Proportional to 8,094.79, 12,138.00 and 3,708.48

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Solution

The fourth proportional to 8,094.79, 12,138.00 and 3,708.48 is: 5,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.79 : 12,138.00 = 3,708.48 : x
  2. Step 2: Convert to fraction form
    8,094.79/12,138.00 = 3,708.48/x
  3. Step 3: Cross multiply
    8,094.79x = 12,138.00 × 3,708.48
  4. Step 4: Simplify right side
    8,094.79x = 45,013,582.71
  5. Step 5: Solve for x
    x = 45,013,582.71/8,094.79
  6. Step 6: Final answer
    x = 5,560.81

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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.