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Finding the Fourth Proportional to 8,951.39, 13,427.14 and 3,028.32

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Solution

The fourth proportional to 8,951.39, 13,427.14 and 3,028.32 is: 4,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.39 : 13,427.14 = 3,028.32 : x
  2. Step 2: Convert to fraction form
    8,951.39/13,427.14 = 3,028.32/x
  3. Step 3: Cross multiply
    8,951.39x = 13,427.14 × 3,028.32
  4. Step 4: Simplify right side
    8,951.39x = 40,661,676.60
  5. Step 5: Solve for x
    x = 40,661,676.60/8,951.39
  6. Step 6: Final answer
    x = 4,542.50

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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.