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Finding the Fourth Proportional to 4,720.82, 7,081.07 and 1,799.02

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Solution

The fourth proportional to 4,720.82, 7,081.07 and 1,799.02 is: 2,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.82 : 7,081.07 = 1,799.02 : x
  2. Step 2: Convert to fraction form
    4,720.82/7,081.07 = 1,799.02/x
  3. Step 3: Cross multiply
    4,720.82x = 7,081.07 × 1,799.02
  4. Step 4: Simplify right side
    4,720.82x = 12,738,986.55
  5. Step 5: Solve for x
    x = 12,738,986.55/4,720.82
  6. Step 6: Final answer
    x = 2,698.47

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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.