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Finding the Fourth Proportional to 7,995.03, 11,993.55 and 4,292.17

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Solution

The fourth proportional to 7,995.03, 11,993.55 and 4,292.17 is: 6,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.03 : 11,993.55 = 4,292.17 : x
  2. Step 2: Convert to fraction form
    7,995.03/11,993.55 = 4,292.17/x
  3. Step 3: Cross multiply
    7,995.03x = 11,993.55 × 4,292.17
  4. Step 4: Simplify right side
    7,995.03x = 51,478,355.50
  5. Step 5: Solve for x
    x = 51,478,355.50/7,995.03
  6. Step 6: Final answer
    x = 6,438.79

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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.