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Finding the Fourth Proportional to 18,110.26, 27,160.12 and 7,014.47

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Solution

The fourth proportional to 18,110.26, 27,160.12 and 7,014.47 is: 10,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.26 : 27,160.12 = 7,014.47 : x
  2. Step 2: Convert to fraction form
    18,110.26/27,160.12 = 7,014.47/x
  3. Step 3: Cross multiply
    18,110.26x = 27,160.12 × 7,014.47
  4. Step 4: Simplify right side
    18,110.26x = 190,513,846.94
  5. Step 5: Solve for x
    x = 190,513,846.94/18,110.26
  6. Step 6: Final answer
    x = 10,519.66

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1.5x scale

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.