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Finding the Fourth Proportional to 14,105.02, 19,464.78 and 7,817.35

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Solution

The fourth proportional to 14,105.02, 19,464.78 and 7,817.35 is: 10,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.02 : 19,464.78 = 7,817.35 : x
  2. Step 2: Convert to fraction form
    14,105.02/19,464.78 = 7,817.35/x
  3. Step 3: Cross multiply
    14,105.02x = 19,464.78 × 7,817.35
  4. Step 4: Simplify right side
    14,105.02x = 152,162,997.93
  5. Step 5: Solve for x
    x = 152,162,997.93/14,105.02
  6. Step 6: Final answer
    x = 10,787.86

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