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Finding the Fourth Proportional to 22,612.16, 33,927.96 and 8,770.88

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Solution

The fourth proportional to 22,612.16, 33,927.96 and 8,770.88 is: 13,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.16 : 33,927.96 = 8,770.88 : x
  2. Step 2: Convert to fraction form
    22,612.16/33,927.96 = 8,770.88/x
  3. Step 3: Cross multiply
    22,612.16x = 33,927.96 × 8,770.88
  4. Step 4: Simplify right side
    22,612.16x = 297,578,065.80
  5. Step 5: Solve for x
    x = 297,578,065.80/22,612.16
  6. Step 6: Final answer
    x = 13,160.09

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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.