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Finding the Fourth Proportional to 4,899.29, 6,760.98 and 4,190.22

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Solution

The fourth proportional to 4,899.29, 6,760.98 and 4,190.22 is: 5,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.29 : 6,760.98 = 4,190.22 : x
  2. Step 2: Convert to fraction form
    4,899.29/6,760.98 = 4,190.22/x
  3. Step 3: Cross multiply
    4,899.29x = 6,760.98 × 4,190.22
  4. Step 4: Simplify right side
    4,899.29x = 28,329,993.62
  5. Step 5: Solve for x
    x = 28,329,993.62/4,899.29
  6. Step 6: Final answer
    x = 5,782.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.