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Finding the Fourth Proportional to 13,241.15, 18,273.07 and 7,273.14

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Solution

The fourth proportional to 13,241.15, 18,273.07 and 7,273.14 is: 10,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.15 : 18,273.07 = 7,273.14 : x
  2. Step 2: Convert to fraction form
    13,241.15/18,273.07 = 7,273.14/x
  3. Step 3: Cross multiply
    13,241.15x = 18,273.07 × 7,273.14
  4. Step 4: Simplify right side
    13,241.15x = 132,902,619.24
  5. Step 5: Solve for x
    x = 132,902,619.24/13,241.15
  6. Step 6: Final answer
    x = 10,037.09

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1.5x scale

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.