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Finding the Fourth Proportional to 8,355.99, 12,532.68 and 3,093.51

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Solution

The fourth proportional to 8,355.99, 12,532.68 and 3,093.51 is: 4,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.99 : 12,532.68 = 3,093.51 : x
  2. Step 2: Convert to fraction form
    8,355.99/12,532.68 = 3,093.51/x
  3. Step 3: Cross multiply
    8,355.99x = 12,532.68 × 3,093.51
  4. Step 4: Simplify right side
    8,355.99x = 38,769,970.91
  5. Step 5: Solve for x
    x = 38,769,970.91/8,355.99
  6. Step 6: Final answer
    x = 4,639.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.