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Finding the Fourth Proportional to 8,566.46, 11,841.66 and 8,217.62

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Solution

The fourth proportional to 8,566.46, 11,841.66 and 8,217.62 is: 11,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.46 : 11,841.66 = 8,217.62 : x
  2. Step 2: Convert to fraction form
    8,566.46/11,841.66 = 8,217.62/x
  3. Step 3: Cross multiply
    8,566.46x = 11,841.66 × 8,217.62
  4. Step 4: Simplify right side
    8,566.46x = 97,310,262.05
  5. Step 5: Solve for x
    x = 97,310,262.05/8,566.46
  6. Step 6: Final answer
    x = 11,359.45

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1.5x scale

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.