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Finding the Fourth Proportional to 6,879.65, 9,496.17 and 4,046.90

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Solution

The fourth proportional to 6,879.65, 9,496.17 and 4,046.90 is: 5,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.65 : 9,496.17 = 4,046.90 : x
  2. Step 2: Convert to fraction form
    6,879.65/9,496.17 = 4,046.90/x
  3. Step 3: Cross multiply
    6,879.65x = 9,496.17 × 4,046.90
  4. Step 4: Simplify right side
    6,879.65x = 38,430,050.37
  5. Step 5: Solve for x
    x = 38,430,050.37/6,879.65
  6. Step 6: Final answer
    x = 5,586.05

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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.