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Finding the Fourth Proportional to 8,508.36, 12,761.04 and 4,124.64

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Solution

The fourth proportional to 8,508.36, 12,761.04 and 4,124.64 is: 6,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.36 : 12,761.04 = 4,124.64 : x
  2. Step 2: Convert to fraction form
    8,508.36/12,761.04 = 4,124.64/x
  3. Step 3: Cross multiply
    8,508.36x = 12,761.04 × 4,124.64
  4. Step 4: Simplify right side
    8,508.36x = 52,634,696.03
  5. Step 5: Solve for x
    x = 52,634,696.03/8,508.36
  6. Step 6: Final answer
    x = 6,186.23

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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.