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Finding the Fourth Proportional to 18,245.26, 27,419.16 and 10,851.04

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Solution

The fourth proportional to 18,245.26, 27,419.16 and 10,851.04 is: 16,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.26 : 27,419.16 = 10,851.04 : x
  2. Step 2: Convert to fraction form
    18,245.26/27,419.16 = 10,851.04/x
  3. Step 3: Cross multiply
    18,245.26x = 27,419.16 × 10,851.04
  4. Step 4: Simplify right side
    18,245.26x = 297,526,401.93
  5. Step 5: Solve for x
    x = 297,526,401.93/18,245.26
  6. Step 6: Final answer
    x = 16,307.05

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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.