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Finding the Fourth Proportional to 10,103.02, 15,155.58 and 3,863

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Solution

The fourth proportional to 10,103.02, 15,155.58 and 3,863 is: 5,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.02 : 15,155.58 = 3,863 : x
  2. Step 2: Convert to fraction form
    10,103.02/15,155.58 = 3,863/x
  3. Step 3: Cross multiply
    10,103.02x = 15,155.58 × 3,863
  4. Step 4: Simplify right side
    10,103.02x = 58,546,005.54
  5. Step 5: Solve for x
    x = 58,546,005.54/10,103.02
  6. Step 6: Final answer
    x = 5,794.90

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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.