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Finding the Fourth Proportional to 8,508.87, 11,742.03 and 4,731.96

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Solution

The fourth proportional to 8,508.87, 11,742.03 and 4,731.96 is: 6,529.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.87 : 11,742.03 = 4,731.96 : x
  2. Step 2: Convert to fraction form
    8,508.87/11,742.03 = 4,731.96/x
  3. Step 3: Cross multiply
    8,508.87x = 11,742.03 × 4,731.96
  4. Step 4: Simplify right side
    8,508.87x = 55,562,816.28
  5. Step 5: Solve for x
    x = 55,562,816.28/8,508.87
  6. Step 6: Final answer
    x = 6,529.99

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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.