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Finding the Fourth Proportional to 22,368.98, 33,558.31 and 6,787.78

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Solution

The fourth proportional to 22,368.98, 33,558.31 and 6,787.78 is: 10,183.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.98 : 33,558.31 = 6,787.78 : x
  2. Step 2: Convert to fraction form
    22,368.98/33,558.31 = 6,787.78/x
  3. Step 3: Cross multiply
    22,368.98x = 33,558.31 × 6,787.78
  4. Step 4: Simplify right side
    22,368.98x = 227,786,425.45
  5. Step 5: Solve for x
    x = 227,786,425.45/22,368.98
  6. Step 6: Final answer
    x = 10,183.14

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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.