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Finding the Fourth Proportional to 18,128.88, 27,165.51 and 7,593.14

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Solution

The fourth proportional to 18,128.88, 27,165.51 and 7,593.14 is: 11,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128.88 : 27,165.51 = 7,593.14 : x
  2. Step 2: Convert to fraction form
    18,128.88/27,165.51 = 7,593.14/x
  3. Step 3: Cross multiply
    18,128.88x = 27,165.51 × 7,593.14
  4. Step 4: Simplify right side
    18,128.88x = 206,271,515.12
  5. Step 5: Solve for x
    x = 206,271,515.12/18,128.88
  6. Step 6: Final answer
    x = 11,378.06

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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.