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Finding the Fourth Proportional to 7,919.19, 11,843.04 and 6,045.66

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Solution

The fourth proportional to 7,919.19, 11,843.04 and 6,045.66 is: 9,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.19 : 11,843.04 = 6,045.66 : x
  2. Step 2: Convert to fraction form
    7,919.19/11,843.04 = 6,045.66/x
  3. Step 3: Cross multiply
    7,919.19x = 11,843.04 × 6,045.66
  4. Step 4: Simplify right side
    7,919.19x = 71,598,993.21
  5. Step 5: Solve for x
    x = 71,598,993.21/7,919.19
  6. Step 6: Final answer
    x = 9,041.20

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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.