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Finding the Fourth Proportional to 22,435.53, 33,639.27 and 8,388.16

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Solution

The fourth proportional to 22,435.53, 33,639.27 and 8,388.16 is: 12,576.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,435.53 : 33,639.27 = 8,388.16 : x
  2. Step 2: Convert to fraction form
    22,435.53/33,639.27 = 8,388.16/x
  3. Step 3: Cross multiply
    22,435.53x = 33,639.27 × 8,388.16
  4. Step 4: Simplify right side
    22,435.53x = 282,171,463.49
  5. Step 5: Solve for x
    x = 282,171,463.49/22,435.53
  6. Step 6: Final answer
    x = 12,576.99

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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.