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Finding the Fourth Proportional to 9,936, 13,714.56 and 6,624

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Solution

The fourth proportional to 9,936, 13,714.56 and 6,624 is: 9,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936 : 13,714.56 = 6,624 : x
  2. Step 2: Convert to fraction form
    9,936/13,714.56 = 6,624/x
  3. Step 3: Cross multiply
    9,936x = 13,714.56 × 6,624
  4. Step 4: Simplify right side
    9,936x = 90,845,245.44
  5. Step 5: Solve for x
    x = 90,845,245.44/9,936
  6. Step 6: Final answer
    x = 9,143.04

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Why These Related Problems?

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