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Finding the Fourth Proportional to 4,798.56, 7,163.88 and 4,105.44

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Solution

The fourth proportional to 4,798.56, 7,163.88 and 4,105.44 is: 6,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.56 : 7,163.88 = 4,105.44 : x
  2. Step 2: Convert to fraction form
    4,798.56/7,163.88 = 4,105.44/x
  3. Step 3: Cross multiply
    4,798.56x = 7,163.88 × 4,105.44
  4. Step 4: Simplify right side
    4,798.56x = 29,410,879.51
  5. Step 5: Solve for x
    x = 29,410,879.51/4,798.56
  6. Step 6: Final answer
    x = 6,129.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.