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Finding the Fourth Proportional to 22,620.16, 33,927.36 and 8,759.68

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Solution

The fourth proportional to 22,620.16, 33,927.36 and 8,759.68 is: 13,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.16 : 33,927.36 = 8,759.68 : x
  2. Step 2: Convert to fraction form
    22,620.16/33,927.36 = 8,759.68/x
  3. Step 3: Cross multiply
    22,620.16x = 33,927.36 × 8,759.68
  4. Step 4: Simplify right side
    22,620.16x = 297,192,816.84
  5. Step 5: Solve for x
    x = 297,192,816.84/22,620.16
  6. Step 6: Final answer
    x = 13,138.40

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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.