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Finding the Fourth Proportional to 10,662.60, 14,709.63 and 6,183.76

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Solution

The fourth proportional to 10,662.60, 14,709.63 and 6,183.76 is: 8,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.60 : 14,709.63 = 6,183.76 : x
  2. Step 2: Convert to fraction form
    10,662.60/14,709.63 = 6,183.76/x
  3. Step 3: Cross multiply
    10,662.60x = 14,709.63 × 6,183.76
  4. Step 4: Simplify right side
    10,662.60x = 90,960,863.18
  5. Step 5: Solve for x
    x = 90,960,863.18/10,662.60
  6. Step 6: Final answer
    x = 8,530.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.