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Finding the Fourth Proportional to 22,560.96, 33,841.02 and 7,769.55

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Solution

The fourth proportional to 22,560.96, 33,841.02 and 7,769.55 is: 11,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,560.96 : 33,841.02 = 7,769.55 : x
  2. Step 2: Convert to fraction form
    22,560.96/33,841.02 = 7,769.55/x
  3. Step 3: Cross multiply
    22,560.96x = 33,841.02 × 7,769.55
  4. Step 4: Simplify right side
    22,560.96x = 262,929,652.98
  5. Step 5: Solve for x
    x = 262,929,652.98/22,560.96
  6. Step 6: Final answer
    x = 11,654.19

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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.