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Finding the Fourth Proportional to 8,562.21, 12,847.38 and 5,933.76

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Solution

The fourth proportional to 8,562.21, 12,847.38 and 5,933.76 is: 8,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.21 : 12,847.38 = 5,933.76 : x
  2. Step 2: Convert to fraction form
    8,562.21/12,847.38 = 5,933.76/x
  3. Step 3: Cross multiply
    8,562.21x = 12,847.38 × 5,933.76
  4. Step 4: Simplify right side
    8,562.21x = 76,233,269.55
  5. Step 5: Solve for x
    x = 76,233,269.55/8,562.21
  6. Step 6: Final answer
    x = 8,903.46

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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.