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Finding the Fourth Proportional to 22,478.63, 33,719.56 and 8,627.63

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Solution

The fourth proportional to 22,478.63, 33,719.56 and 8,627.63 is: 12,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478.63 : 33,719.56 = 8,627.63 : x
  2. Step 2: Convert to fraction form
    22,478.63/33,719.56 = 8,627.63/x
  3. Step 3: Cross multiply
    22,478.63x = 33,719.56 × 8,627.63
  4. Step 4: Simplify right side
    22,478.63x = 290,919,697.28
  5. Step 5: Solve for x
    x = 290,919,697.28/22,478.63
  6. Step 6: Final answer
    x = 12,942.06

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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.