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Finding the Fourth Proportional to 6,349.94, 8,762.90 and 3,517.31

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Solution

The fourth proportional to 6,349.94, 8,762.90 and 3,517.31 is: 4,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.94 : 8,762.90 = 3,517.31 : x
  2. Step 2: Convert to fraction form
    6,349.94/8,762.90 = 3,517.31/x
  3. Step 3: Cross multiply
    6,349.94x = 8,762.90 × 3,517.31
  4. Step 4: Simplify right side
    6,349.94x = 30,821,833.64
  5. Step 5: Solve for x
    x = 30,821,833.64/6,349.94
  6. Step 6: Final answer
    x = 4,853.88

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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.