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Finding the Fourth Proportional to 11,375.58, 17,064.80 and 4,449.18

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Solution

The fourth proportional to 11,375.58, 17,064.80 and 4,449.18 is: 6,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.58 : 17,064.80 = 4,449.18 : x
  2. Step 2: Convert to fraction form
    11,375.58/17,064.80 = 4,449.18/x
  3. Step 3: Cross multiply
    11,375.58x = 17,064.80 × 4,449.18
  4. Step 4: Simplify right side
    11,375.58x = 75,924,366.86
  5. Step 5: Solve for x
    x = 75,924,366.86/11,375.58
  6. Step 6: Final answer
    x = 6,674.33

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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.