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Finding the Fourth Proportional to 5,832.78, 8,739.45 and 4,447.68

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Solution

The fourth proportional to 5,832.78, 8,739.45 and 4,447.68 is: 6,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,832.78 : 8,739.45 = 4,447.68 : x
  2. Step 2: Convert to fraction form
    5,832.78/8,739.45 = 4,447.68/x
  3. Step 3: Cross multiply
    5,832.78x = 8,739.45 × 4,447.68
  4. Step 4: Simplify right side
    5,832.78x = 38,870,276.98
  5. Step 5: Solve for x
    x = 38,870,276.98/5,832.78
  6. Step 6: Final answer
    x = 6,664.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.