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Finding the Fourth Proportional to 6,811.22, 9,393.85 and 4,801.32

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Solution

The fourth proportional to 6,811.22, 9,393.85 and 4,801.32 is: 6,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.22 : 9,393.85 = 4,801.32 : x
  2. Step 2: Convert to fraction form
    6,811.22/9,393.85 = 4,801.32/x
  3. Step 3: Cross multiply
    6,811.22x = 9,393.85 × 4,801.32
  4. Step 4: Simplify right side
    6,811.22x = 45,102,865.77
  5. Step 5: Solve for x
    x = 45,102,865.77/6,811.22
  6. Step 6: Final answer
    x = 6,621.84

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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.