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Finding the Fourth Proportional to 8,355.05, 12,532.41 and 3,358.56

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Solution

The fourth proportional to 8,355.05, 12,532.41 and 3,358.56 is: 5,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.05 : 12,532.41 = 3,358.56 : x
  2. Step 2: Convert to fraction form
    8,355.05/12,532.41 = 3,358.56/x
  3. Step 3: Cross multiply
    8,355.05x = 12,532.41 × 3,358.56
  4. Step 4: Simplify right side
    8,355.05x = 42,090,850.93
  5. Step 5: Solve for x
    x = 42,090,850.93/8,355.05
  6. Step 6: Final answer
    x = 5,037.77

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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.