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Finding the Fourth Proportional to 22,180.98, 33,276.72 and 7,188.08

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Solution

The fourth proportional to 22,180.98, 33,276.72 and 7,188.08 is: 10,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.98 : 33,276.72 = 7,188.08 : x
  2. Step 2: Convert to fraction form
    22,180.98/33,276.72 = 7,188.08/x
  3. Step 3: Cross multiply
    22,180.98x = 33,276.72 × 7,188.08
  4. Step 4: Simplify right side
    22,180.98x = 239,195,725.50
  5. Step 5: Solve for x
    x = 239,195,725.50/22,180.98
  6. Step 6: Final answer
    x = 10,783.82

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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.