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Finding the Fourth Proportional to 8,674.13, 13,005.92 and 3,402.83

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Solution

The fourth proportional to 8,674.13, 13,005.92 and 3,402.83 is: 5,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.13 : 13,005.92 = 3,402.83 : x
  2. Step 2: Convert to fraction form
    8,674.13/13,005.92 = 3,402.83/x
  3. Step 3: Cross multiply
    8,674.13x = 13,005.92 × 3,402.83
  4. Step 4: Simplify right side
    8,674.13x = 44,256,975.78
  5. Step 5: Solve for x
    x = 44,256,975.78/8,674.13
  6. Step 6: Final answer
    x = 5,102.18

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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.