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Finding the Fourth Proportional to 5,653.67, 8,482.19 and 3,190.19

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Solution

The fourth proportional to 5,653.67, 8,482.19 and 3,190.19 is: 4,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.67 : 8,482.19 = 3,190.19 : x
  2. Step 2: Convert to fraction form
    5,653.67/8,482.19 = 3,190.19/x
  3. Step 3: Cross multiply
    5,653.67x = 8,482.19 × 3,190.19
  4. Step 4: Simplify right side
    5,653.67x = 27,059,739.35
  5. Step 5: Solve for x
    x = 27,059,739.35/5,653.67
  6. Step 6: Final answer
    x = 4,786.23

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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.