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Finding the Fourth Proportional to 22,439.94, 33,659.95 and 8,399.40

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Solution

The fourth proportional to 22,439.94, 33,659.95 and 8,399.40 is: 12,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.94 : 33,659.95 = 8,399.40 : x
  2. Step 2: Convert to fraction form
    22,439.94/33,659.95 = 8,399.40/x
  3. Step 3: Cross multiply
    22,439.94x = 33,659.95 × 8,399.40
  4. Step 4: Simplify right side
    22,439.94x = 282,723,384.03
  5. Step 5: Solve for x
    x = 282,723,384.03/22,439.94
  6. Step 6: Final answer
    x = 12,599.11

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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.