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Finding the Fourth Proportional to 36,620.60, 54,930.90 and 16,893.32

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Solution

The fourth proportional to 36,620.60, 54,930.90 and 16,893.32 is: 25,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,620.60 : 54,930.90 = 16,893.32 : x
  2. Step 2: Convert to fraction form
    36,620.60/54,930.90 = 16,893.32/x
  3. Step 3: Cross multiply
    36,620.60x = 54,930.90 × 16,893.32
  4. Step 4: Simplify right side
    36,620.60x = 927,965,271.59
  5. Step 5: Solve for x
    x = 927,965,271.59/36,620.60
  6. Step 6: Final answer
    x = 25,339.98

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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.