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Finding the Fourth Proportional to 16,156.60, 24,235.70 and 8,380.60

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Solution

The fourth proportional to 16,156.60, 24,235.70 and 8,380.60 is: 12,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,156.60 : 24,235.70 = 8,380.60 : x
  2. Step 2: Convert to fraction form
    16,156.60/24,235.70 = 8,380.60/x
  3. Step 3: Cross multiply
    16,156.60x = 24,235.70 × 8,380.60
  4. Step 4: Simplify right side
    16,156.60x = 203,109,707.42
  5. Step 5: Solve for x
    x = 203,109,707.42/16,156.60
  6. Step 6: Final answer
    x = 12,571.31

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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.