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Finding the Fourth Proportional to 6,410.52, 8,850.60 and 5,234.40

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Solution

The fourth proportional to 6,410.52, 8,850.60 and 5,234.40 is: 7,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.52 : 8,850.60 = 5,234.40 : x
  2. Step 2: Convert to fraction form
    6,410.52/8,850.60 = 5,234.40/x
  3. Step 3: Cross multiply
    6,410.52x = 8,850.60 × 5,234.40
  4. Step 4: Simplify right side
    6,410.52x = 46,327,580.64
  5. Step 5: Solve for x
    x = 46,327,580.64/6,410.52
  6. Step 6: Final answer
    x = 7,226.81

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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.