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Finding the Fourth Proportional to 5,919.40, 8,879.10 and 2,796.24

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Solution

The fourth proportional to 5,919.40, 8,879.10 and 2,796.24 is: 4,194.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.40 : 8,879.10 = 2,796.24 : x
  2. Step 2: Convert to fraction form
    5,919.40/8,879.10 = 2,796.24/x
  3. Step 3: Cross multiply
    5,919.40x = 8,879.10 × 2,796.24
  4. Step 4: Simplify right side
    5,919.40x = 24,828,094.58
  5. Step 5: Solve for x
    x = 24,828,094.58/5,919.40
  6. Step 6: Final answer
    x = 4,194.36

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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.