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Finding the Fourth Proportional to 22,368.94, 33,555.03 and 6,787.78

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Solution

The fourth proportional to 22,368.94, 33,555.03 and 6,787.78 is: 10,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.94 : 33,555.03 = 6,787.78 : x
  2. Step 2: Convert to fraction form
    22,368.94/33,555.03 = 6,787.78/x
  3. Step 3: Cross multiply
    22,368.94x = 33,555.03 × 6,787.78
  4. Step 4: Simplify right side
    22,368.94x = 227,764,161.53
  5. Step 5: Solve for x
    x = 227,764,161.53/22,368.94
  6. Step 6: Final answer
    x = 10,182.16

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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.