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Finding the Fourth Proportional to 12,595.80, 18,893.25 and 5,194.73

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Solution

The fourth proportional to 12,595.80, 18,893.25 and 5,194.73 is: 7,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.80 : 18,893.25 = 5,194.73 : x
  2. Step 2: Convert to fraction form
    12,595.80/18,893.25 = 5,194.73/x
  3. Step 3: Cross multiply
    12,595.80x = 18,893.25 × 5,194.73
  4. Step 4: Simplify right side
    12,595.80x = 98,145,379.81
  5. Step 5: Solve for x
    x = 98,145,379.81/12,595.80
  6. Step 6: Final answer
    x = 7,791.91

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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.