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Finding the Fourth Proportional to 9,000.10, 13,504.20 and 4,067.20

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Solution

The fourth proportional to 9,000.10, 13,504.20 and 4,067.20 is: 6,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.10 : 13,504.20 = 4,067.20 : x
  2. Step 2: Convert to fraction form
    9,000.10/13,504.20 = 4,067.20/x
  3. Step 3: Cross multiply
    9,000.10x = 13,504.20 × 4,067.20
  4. Step 4: Simplify right side
    9,000.10x = 54,924,282.24
  5. Step 5: Solve for x
    x = 54,924,282.24/9,000.10
  6. Step 6: Final answer
    x = 6,102.63

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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.