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Finding the Fourth Proportional to 8,216.73, 12,327.21 and 2,373.80

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Solution

The fourth proportional to 8,216.73, 12,327.21 and 2,373.80 is: 3,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.73 : 12,327.21 = 2,373.80 : x
  2. Step 2: Convert to fraction form
    8,216.73/12,327.21 = 2,373.80/x
  3. Step 3: Cross multiply
    8,216.73x = 12,327.21 × 2,373.80
  4. Step 4: Simplify right side
    8,216.73x = 29,262,269.46
  5. Step 5: Solve for x
    x = 29,262,269.46/8,216.73
  6. Step 6: Final answer
    x = 3,561.30

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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.