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Finding the Fourth Proportional to 8,452.95, 12,682.13 and 3,523.11

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Solution

The fourth proportional to 8,452.95, 12,682.13 and 3,523.11 is: 5,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.95 : 12,682.13 = 3,523.11 : x
  2. Step 2: Convert to fraction form
    8,452.95/12,682.13 = 3,523.11/x
  3. Step 3: Cross multiply
    8,452.95x = 12,682.13 × 3,523.11
  4. Step 4: Simplify right side
    8,452.95x = 44,680,521.41
  5. Step 5: Solve for x
    x = 44,680,521.41/8,452.95
  6. Step 6: Final answer
    x = 5,285.79

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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.