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Finding the Fourth Proportional to 20,447.56, 30,671.34 and 6,596.56

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Solution

The fourth proportional to 20,447.56, 30,671.34 and 6,596.56 is: 9,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447.56 : 30,671.34 = 6,596.56 : x
  2. Step 2: Convert to fraction form
    20,447.56/30,671.34 = 6,596.56/x
  3. Step 3: Cross multiply
    20,447.56x = 30,671.34 × 6,596.56
  4. Step 4: Simplify right side
    20,447.56x = 202,325,334.59
  5. Step 5: Solve for x
    x = 202,325,334.59/20,447.56
  6. Step 6: Final answer
    x = 9,894.84

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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.