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Finding the Fourth Proportional to 6,811.58, 9,401.09 and 5,675.45

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Solution

The fourth proportional to 6,811.58, 9,401.09 and 5,675.45 is: 7,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.58 : 9,401.09 = 5,675.45 : x
  2. Step 2: Convert to fraction form
    6,811.58/9,401.09 = 5,675.45/x
  3. Step 3: Cross multiply
    6,811.58x = 9,401.09 × 5,675.45
  4. Step 4: Simplify right side
    6,811.58x = 53,355,453.93
  5. Step 5: Solve for x
    x = 53,355,453.93/6,811.58
  6. Step 6: Final answer
    x = 7,833.06

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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.