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Finding the Fourth Proportional to 5,367.68, 8,042.74 and 5,162.64

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Solution

The fourth proportional to 5,367.68, 8,042.74 and 5,162.64 is: 7,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.68 : 8,042.74 = 5,162.64 : x
  2. Step 2: Convert to fraction form
    5,367.68/8,042.74 = 5,162.64/x
  3. Step 3: Cross multiply
    5,367.68x = 8,042.74 × 5,162.64
  4. Step 4: Simplify right side
    5,367.68x = 41,521,771.23
  5. Step 5: Solve for x
    x = 41,521,771.23/5,367.68
  6. Step 6: Final answer
    x = 7,735.52

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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.