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Finding the Fourth Proportional to 41,888, 62,832 and 12,704

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Solution

The fourth proportional to 41,888, 62,832 and 12,704 is: 19,056

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,888 : 62,832 = 12,704 : x
  2. Step 2: Convert to fraction form
    41,888/62,832 = 12,704/x
  3. Step 3: Cross multiply
    41,888x = 62,832 × 12,704
  4. Step 4: Simplify right side
    41,888x = 798,217,728
  5. Step 5: Solve for x
    x = 798,217,728/41,888
  6. Step 6: Final answer
    x = 19,056

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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.