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Finding the Fourth Proportional to 8,682.58, 13,016.06 and 3,134.62

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Solution

The fourth proportional to 8,682.58, 13,016.06 and 3,134.62 is: 4,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.58 : 13,016.06 = 3,134.62 : x
  2. Step 2: Convert to fraction form
    8,682.58/13,016.06 = 3,134.62/x
  3. Step 3: Cross multiply
    8,682.58x = 13,016.06 × 3,134.62
  4. Step 4: Simplify right side
    8,682.58x = 40,800,377.29
  5. Step 5: Solve for x
    x = 40,800,377.29/8,682.58
  6. Step 6: Final answer
    x = 4,699.11

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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.