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Finding the Fourth Proportional to 8,734.26, 12,053.04 and 4,957.79

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Solution

The fourth proportional to 8,734.26, 12,053.04 and 4,957.79 is: 6,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.26 : 12,053.04 = 4,957.79 : x
  2. Step 2: Convert to fraction form
    8,734.26/12,053.04 = 4,957.79/x
  3. Step 3: Cross multiply
    8,734.26x = 12,053.04 × 4,957.79
  4. Step 4: Simplify right side
    8,734.26x = 59,756,380.92
  5. Step 5: Solve for x
    x = 59,756,380.92/8,734.26
  6. Step 6: Final answer
    x = 6,841.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.