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Finding the Fourth Proportional to 6,113.90, 9,176.08 and 6,067.88

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Solution

The fourth proportional to 6,113.90, 9,176.08 and 6,067.88 is: 9,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.90 : 9,176.08 = 6,067.88 : x
  2. Step 2: Convert to fraction form
    6,113.90/9,176.08 = 6,067.88/x
  3. Step 3: Cross multiply
    6,113.90x = 9,176.08 × 6,067.88
  4. Step 4: Simplify right side
    6,113.90x = 55,679,306.43
  5. Step 5: Solve for x
    x = 55,679,306.43/6,113.90
  6. Step 6: Final answer
    x = 9,107.01

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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.