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Finding the Fourth Proportional to 22,460.55, 33,690.61 and 8,609.55

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Solution

The fourth proportional to 22,460.55, 33,690.61 and 8,609.55 is: 12,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,460.55 : 33,690.61 = 8,609.55 : x
  2. Step 2: Convert to fraction form
    22,460.55/33,690.61 = 8,609.55/x
  3. Step 3: Cross multiply
    22,460.55x = 33,690.61 × 8,609.55
  4. Step 4: Simplify right side
    22,460.55x = 290,060,991.33
  5. Step 5: Solve for x
    x = 290,060,991.33/22,460.55
  6. Step 6: Final answer
    x = 12,914.24

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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.