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Finding the Fourth Proportional to 5,879.92, 8,805.30 and 4,910.32

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Solution

The fourth proportional to 5,879.92, 8,805.30 and 4,910.32 is: 7,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.92 : 8,805.30 = 4,910.32 : x
  2. Step 2: Convert to fraction form
    5,879.92/8,805.30 = 4,910.32/x
  3. Step 3: Cross multiply
    5,879.92x = 8,805.30 × 4,910.32
  4. Step 4: Simplify right side
    5,879.92x = 43,236,840.70
  5. Step 5: Solve for x
    x = 43,236,840.70/5,879.92
  6. Step 6: Final answer
    x = 7,353.30

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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.