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Finding the Fourth Proportional to 12,244.62, 18,388.46 and 12,069.32

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Solution

The fourth proportional to 12,244.62, 18,388.46 and 12,069.32 is: 18,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.62 : 18,388.46 = 12,069.32 : x
  2. Step 2: Convert to fraction form
    12,244.62/18,388.46 = 12,069.32/x
  3. Step 3: Cross multiply
    12,244.62x = 18,388.46 × 12,069.32
  4. Step 4: Simplify right side
    12,244.62x = 221,936,146.28
  5. Step 5: Solve for x
    x = 221,936,146.28/12,244.62
  6. Step 6: Final answer
    x = 18,125.20

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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.