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Finding the Fourth Proportional to 22,642.44, 33,969.56 and 8,602.72

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Solution

The fourth proportional to 22,642.44, 33,969.56 and 8,602.72 is: 12,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.44 : 33,969.56 = 8,602.72 : x
  2. Step 2: Convert to fraction form
    22,642.44/33,969.56 = 8,602.72/x
  3. Step 3: Cross multiply
    22,642.44x = 33,969.56 × 8,602.72
  4. Step 4: Simplify right side
    22,642.44x = 292,230,613.20
  5. Step 5: Solve for x
    x = 292,230,613.20/22,642.44
  6. Step 6: Final answer
    x = 12,906.32

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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.