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Finding the Fourth Proportional to 6,788.22, 9,365.64 and 3,803.64

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Solution

The fourth proportional to 6,788.22, 9,365.64 and 3,803.64 is: 5,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.22 : 9,365.64 = 3,803.64 : x
  2. Step 2: Convert to fraction form
    6,788.22/9,365.64 = 3,803.64/x
  3. Step 3: Cross multiply
    6,788.22x = 9,365.64 × 3,803.64
  4. Step 4: Simplify right side
    6,788.22x = 35,623,522.93
  5. Step 5: Solve for x
    x = 35,623,522.93/6,788.22
  6. Step 6: Final answer
    x = 5,247.84

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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.