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Finding the Fourth Proportional to 6,758.99, 9,325.96 and 3,924.90

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Solution

The fourth proportional to 6,758.99, 9,325.96 and 3,924.90 is: 5,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.99 : 9,325.96 = 3,924.90 : x
  2. Step 2: Convert to fraction form
    6,758.99/9,325.96 = 3,924.90/x
  3. Step 3: Cross multiply
    6,758.99x = 9,325.96 × 3,924.90
  4. Step 4: Simplify right side
    6,758.99x = 36,603,450.59
  5. Step 5: Solve for x
    x = 36,603,450.59/6,758.99
  6. Step 6: Final answer
    x = 5,415.52

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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.