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Finding the Fourth Proportional to 6,410.23, 8,843.74 and 3,756.67

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Solution

The fourth proportional to 6,410.23, 8,843.74 and 3,756.67 is: 5,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.23 : 8,843.74 = 3,756.67 : x
  2. Step 2: Convert to fraction form
    6,410.23/8,843.74 = 3,756.67/x
  3. Step 3: Cross multiply
    6,410.23x = 8,843.74 × 3,756.67
  4. Step 4: Simplify right side
    6,410.23x = 33,222,981.24
  5. Step 5: Solve for x
    x = 33,222,981.24/6,410.23
  6. Step 6: Final answer
    x = 5,182.81

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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.