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Finding the Fourth Proportional to 32,241.37, 48,379.70 and 12,520.70

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Solution

The fourth proportional to 32,241.37, 48,379.70 and 12,520.70 is: 18,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,241.37 : 48,379.70 = 12,520.70 : x
  2. Step 2: Convert to fraction form
    32,241.37/48,379.70 = 12,520.70/x
  3. Step 3: Cross multiply
    32,241.37x = 48,379.70 × 12,520.70
  4. Step 4: Simplify right side
    32,241.37x = 605,747,647.19
  5. Step 5: Solve for x
    x = 605,747,647.19/32,241.37
  6. Step 6: Final answer
    x = 18,787.90

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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.