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Finding the Fourth Proportional to 5,662.26, 7,811.19 and 3,303

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Solution

The fourth proportional to 5,662.26, 7,811.19 and 3,303 is: 4,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.26 : 7,811.19 = 3,303 : x
  2. Step 2: Convert to fraction form
    5,662.26/7,811.19 = 3,303/x
  3. Step 3: Cross multiply
    5,662.26x = 7,811.19 × 3,303
  4. Step 4: Simplify right side
    5,662.26x = 25,800,360.57
  5. Step 5: Solve for x
    x = 25,800,360.57/5,662.26
  6. Step 6: Final answer
    x = 4,556.55

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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.