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Finding the Fourth Proportional to 23,961, 35,898.96 and 12,855.90

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Solution

The fourth proportional to 23,961, 35,898.96 and 12,855.90 is: 19,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,961 : 35,898.96 = 12,855.90 : x
  2. Step 2: Convert to fraction form
    23,961/35,898.96 = 12,855.90/x
  3. Step 3: Cross multiply
    23,961x = 35,898.96 × 12,855.90
  4. Step 4: Simplify right side
    23,961x = 461,513,439.86
  5. Step 5: Solve for x
    x = 461,513,439.86/23,961
  6. Step 6: Final answer
    x = 19,261.03

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Why These Related Problems?

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