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Finding the Fourth Proportional to 6,967.07, 9,611.92 and 4,449.30

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Solution

The fourth proportional to 6,967.07, 9,611.92 and 4,449.30 is: 6,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.07 : 9,611.92 = 4,449.30 : x
  2. Step 2: Convert to fraction form
    6,967.07/9,611.92 = 4,449.30/x
  3. Step 3: Cross multiply
    6,967.07x = 9,611.92 × 4,449.30
  4. Step 4: Simplify right side
    6,967.07x = 42,766,315.66
  5. Step 5: Solve for x
    x = 42,766,315.66/6,967.07
  6. Step 6: Final answer
    x = 6,138.35

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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.