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Finding the Fourth Proportional to 32,620, 48,930 and 7,996

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Solution

The fourth proportional to 32,620, 48,930 and 7,996 is: 11,994

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,620 : 48,930 = 7,996 : x
  2. Step 2: Convert to fraction form
    32,620/48,930 = 7,996/x
  3. Step 3: Cross multiply
    32,620x = 48,930 × 7,996
  4. Step 4: Simplify right side
    32,620x = 391,244,280
  5. Step 5: Solve for x
    x = 391,244,280/32,620
  6. Step 6: Final answer
    x = 11,994

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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.