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Finding the Fourth Proportional to 12,022.62, 18,020.49 and 8,566.62

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Solution

The fourth proportional to 12,022.62, 18,020.49 and 8,566.62 is: 12,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.62 : 18,020.49 = 8,566.62 : x
  2. Step 2: Convert to fraction form
    12,022.62/18,020.49 = 8,566.62/x
  3. Step 3: Cross multiply
    12,022.62x = 18,020.49 × 8,566.62
  4. Step 4: Simplify right side
    12,022.62x = 154,374,690.04
  5. Step 5: Solve for x
    x = 154,374,690.04/12,022.62
  6. Step 6: Final answer
    x = 12,840.35

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1.5x scale

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.