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Finding the Fourth Proportional to 18,203.28, 27,281.86 and 8,845.44

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Solution

The fourth proportional to 18,203.28, 27,281.86 and 8,845.44 is: 13,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.28 : 27,281.86 = 8,845.44 : x
  2. Step 2: Convert to fraction form
    18,203.28/27,281.86 = 8,845.44/x
  3. Step 3: Cross multiply
    18,203.28x = 27,281.86 × 8,845.44
  4. Step 4: Simplify right side
    18,203.28x = 241,320,055.72
  5. Step 5: Solve for x
    x = 241,320,055.72/18,203.28
  6. Step 6: Final answer
    x = 13,256.95

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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.