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Finding the Fourth Proportional to 12,801.49, 17,665.98 and 7,495.24

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Solution

The fourth proportional to 12,801.49, 17,665.98 and 7,495.24 is: 10,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.49 : 17,665.98 = 7,495.24 : x
  2. Step 2: Convert to fraction form
    12,801.49/17,665.98 = 7,495.24/x
  3. Step 3: Cross multiply
    12,801.49x = 17,665.98 × 7,495.24
  4. Step 4: Simplify right side
    12,801.49x = 132,410,759.94
  5. Step 5: Solve for x
    x = 132,410,759.94/12,801.49
  6. Step 6: Final answer
    x = 10,343.39

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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.