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Finding the Fourth Proportional to 13,351, 19,996.66 and 9,443.48

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Solution

The fourth proportional to 13,351, 19,996.66 and 9,443.48 is: 14,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351 : 19,996.66 = 9,443.48 : x
  2. Step 2: Convert to fraction form
    13,351/19,996.66 = 9,443.48/x
  3. Step 3: Cross multiply
    13,351x = 19,996.66 × 9,443.48
  4. Step 4: Simplify right side
    13,351x = 188,838,058.78
  5. Step 5: Solve for x
    x = 188,838,058.78/13,351
  6. Step 6: Final answer
    x = 14,144.11

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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.