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Finding the Fourth Proportional to 8,566.91, 12,841.62 and 4,861.32

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Solution

The fourth proportional to 8,566.91, 12,841.62 and 4,861.32 is: 7,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.91 : 12,841.62 = 4,861.32 : x
  2. Step 2: Convert to fraction form
    8,566.91/12,841.62 = 4,861.32/x
  3. Step 3: Cross multiply
    8,566.91x = 12,841.62 × 4,861.32
  4. Step 4: Simplify right side
    8,566.91x = 62,427,224.14
  5. Step 5: Solve for x
    x = 62,427,224.14/8,566.91
  6. Step 6: Final answer
    x = 7,287.02

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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.