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Finding the Fourth Proportional to 22,273.32, 33,411.02 and 12,405.16

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Solution

The fourth proportional to 22,273.32, 33,411.02 and 12,405.16 is: 18,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.32 : 33,411.02 = 12,405.16 : x
  2. Step 2: Convert to fraction form
    22,273.32/33,411.02 = 12,405.16/x
  3. Step 3: Cross multiply
    22,273.32x = 33,411.02 × 12,405.16
  4. Step 4: Simplify right side
    22,273.32x = 414,469,048.86
  5. Step 5: Solve for x
    x = 414,469,048.86/22,273.32
  6. Step 6: Final answer
    x = 18,608.32

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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.