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Finding the Fourth Proportional to 5,986.16, 8,976.24 and 3,488.16

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Solution

The fourth proportional to 5,986.16, 8,976.24 and 3,488.16 is: 5,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.16 : 8,976.24 = 3,488.16 : x
  2. Step 2: Convert to fraction form
    5,986.16/8,976.24 = 3,488.16/x
  3. Step 3: Cross multiply
    5,986.16x = 8,976.24 × 3,488.16
  4. Step 4: Simplify right side
    5,986.16x = 31,310,527.66
  5. Step 5: Solve for x
    x = 31,310,527.66/5,986.16
  6. Step 6: Final answer
    x = 5,230.48

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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.