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Finding the Fourth Proportional to 14,296, 21,455.52 and 7,372.48

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Solution

The fourth proportional to 14,296, 21,455.52 and 7,372.48 is: 11,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296 : 21,455.52 = 7,372.48 : x
  2. Step 2: Convert to fraction form
    14,296/21,455.52 = 7,372.48/x
  3. Step 3: Cross multiply
    14,296x = 21,455.52 × 7,372.48
  4. Step 4: Simplify right side
    14,296x = 158,180,392.09
  5. Step 5: Solve for x
    x = 158,180,392.09/14,296
  6. Step 6: Final answer
    x = 11,064.66

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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.