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Finding the Fourth Proportional to 6,626.95, 9,138.41 and 4,388.01

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Solution

The fourth proportional to 6,626.95, 9,138.41 and 4,388.01 is: 6,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.95 : 9,138.41 = 4,388.01 : x
  2. Step 2: Convert to fraction form
    6,626.95/9,138.41 = 4,388.01/x
  3. Step 3: Cross multiply
    6,626.95x = 9,138.41 × 4,388.01
  4. Step 4: Simplify right side
    6,626.95x = 40,099,454.86
  5. Step 5: Solve for x
    x = 40,099,454.86/6,626.95
  6. Step 6: Final answer
    x = 6,050.97

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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.