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Finding the Fourth Proportional to 16,336.80, 24,505.20 and 15,972.30

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Solution

The fourth proportional to 16,336.80, 24,505.20 and 15,972.30 is: 23,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,336.80 : 24,505.20 = 15,972.30 : x
  2. Step 2: Convert to fraction form
    16,336.80/24,505.20 = 15,972.30/x
  3. Step 3: Cross multiply
    16,336.80x = 24,505.20 × 15,972.30
  4. Step 4: Simplify right side
    16,336.80x = 391,404,405.96
  5. Step 5: Solve for x
    x = 391,404,405.96/16,336.80
  6. Step 6: Final answer
    x = 23,958.45

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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.