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Finding the Fourth Proportional to 8,608.95, 11,879.44 and 4,832.53

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Solution

The fourth proportional to 8,608.95, 11,879.44 and 4,832.53 is: 6,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.95 : 11,879.44 = 4,832.53 : x
  2. Step 2: Convert to fraction form
    8,608.95/11,879.44 = 4,832.53/x
  3. Step 3: Cross multiply
    8,608.95x = 11,879.44 × 4,832.53
  4. Step 4: Simplify right side
    8,608.95x = 57,407,811.28
  5. Step 5: Solve for x
    x = 57,407,811.28/8,608.95
  6. Step 6: Final answer
    x = 6,668.38

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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.