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Finding the Fourth Proportional to 6,327.15, 8,739.22 and 4,740.89

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Solution

The fourth proportional to 6,327.15, 8,739.22 and 4,740.89 is: 6,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.15 : 8,739.22 = 4,740.89 : x
  2. Step 2: Convert to fraction form
    6,327.15/8,739.22 = 4,740.89/x
  3. Step 3: Cross multiply
    6,327.15x = 8,739.22 × 4,740.89
  4. Step 4: Simplify right side
    6,327.15x = 41,431,690.70
  5. Step 5: Solve for x
    x = 41,431,690.70/6,327.15
  6. Step 6: Final answer
    x = 6,548.24

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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.