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Finding the Fourth Proportional to 18,112.44, 27,126.54 and 17,614.16

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Solution

The fourth proportional to 18,112.44, 27,126.54 and 17,614.16 is: 26,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.44 : 27,126.54 = 17,614.16 : x
  2. Step 2: Convert to fraction form
    18,112.44/27,126.54 = 17,614.16/x
  3. Step 3: Cross multiply
    18,112.44x = 27,126.54 × 17,614.16
  4. Step 4: Simplify right side
    18,112.44x = 477,811,215.81
  5. Step 5: Solve for x
    x = 477,811,215.81/18,112.44
  6. Step 6: Final answer
    x = 26,380.28

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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.