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Finding the Fourth Proportional to 8,195.75, 12,293.63 and 3,512.72

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Solution

The fourth proportional to 8,195.75, 12,293.63 and 3,512.72 is: 5,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.75 : 12,293.63 = 3,512.72 : x
  2. Step 2: Convert to fraction form
    8,195.75/12,293.63 = 3,512.72/x
  3. Step 3: Cross multiply
    8,195.75x = 12,293.63 × 3,512.72
  4. Step 4: Simplify right side
    8,195.75x = 43,184,000.94
  5. Step 5: Solve for x
    x = 43,184,000.94/8,195.75
  6. Step 6: Final answer
    x = 5,269.08

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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.