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Finding the Fourth Proportional to 16,003.20, 24,008.40 and 4,910.40

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Solution

The fourth proportional to 16,003.20, 24,008.40 and 4,910.40 is: 7,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,003.20 : 24,008.40 = 4,910.40 : x
  2. Step 2: Convert to fraction form
    16,003.20/24,008.40 = 4,910.40/x
  3. Step 3: Cross multiply
    16,003.20x = 24,008.40 × 4,910.40
  4. Step 4: Simplify right side
    16,003.20x = 117,890,847.36
  5. Step 5: Solve for x
    x = 117,890,847.36/16,003.20
  6. Step 6: Final answer
    x = 7,366.70

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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.