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Finding the Fourth Proportional to 9,682.70, 14,520.36 and 4,138.61

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Solution

The fourth proportional to 9,682.70, 14,520.36 and 4,138.61 is: 6,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,682.70 : 14,520.36 = 4,138.61 : x
  2. Step 2: Convert to fraction form
    9,682.70/14,520.36 = 4,138.61/x
  3. Step 3: Cross multiply
    9,682.70x = 14,520.36 × 4,138.61
  4. Step 4: Simplify right side
    9,682.70x = 60,094,107.10
  5. Step 5: Solve for x
    x = 60,094,107.10/9,682.70
  6. Step 6: Final answer
    x = 6,206.34

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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.