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Finding the Fourth Proportional to 5,811.93, 8,020.51 and 3,453.61

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Solution

The fourth proportional to 5,811.93, 8,020.51 and 3,453.61 is: 4,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.93 : 8,020.51 = 3,453.61 : x
  2. Step 2: Convert to fraction form
    5,811.93/8,020.51 = 3,453.61/x
  3. Step 3: Cross multiply
    5,811.93x = 8,020.51 × 3,453.61
  4. Step 4: Simplify right side
    5,811.93x = 27,699,713.54
  5. Step 5: Solve for x
    x = 27,699,713.54/5,811.93
  6. Step 6: Final answer
    x = 4,766.01

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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.