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Finding the Fourth Proportional to 7,995.62, 11,989.14 and 3,064.22

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Solution

The fourth proportional to 7,995.62, 11,989.14 and 3,064.22 is: 4,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.62 : 11,989.14 = 3,064.22 : x
  2. Step 2: Convert to fraction form
    7,995.62/11,989.14 = 3,064.22/x
  3. Step 3: Cross multiply
    7,995.62x = 11,989.14 × 3,064.22
  4. Step 4: Simplify right side
    7,995.62x = 36,737,362.57
  5. Step 5: Solve for x
    x = 36,737,362.57/7,995.62
  6. Step 6: Final answer
    x = 4,594.69

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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.