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Finding the Fourth Proportional to 4,986.92, 6,880.18 and 2,995.96

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Solution

The fourth proportional to 4,986.92, 6,880.18 and 2,995.96 is: 4,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.92 : 6,880.18 = 2,995.96 : x
  2. Step 2: Convert to fraction form
    4,986.92/6,880.18 = 2,995.96/x
  3. Step 3: Cross multiply
    4,986.92x = 6,880.18 × 2,995.96
  4. Step 4: Simplify right side
    4,986.92x = 20,612,744.07
  5. Step 5: Solve for x
    x = 20,612,744.07/4,986.92
  6. Step 6: Final answer
    x = 4,133.36

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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.