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Finding the Fourth Proportional to 16,469.70, 24,704.54 and 3,989.72

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Solution

The fourth proportional to 16,469.70, 24,704.54 and 3,989.72 is: 5,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,469.70 : 24,704.54 = 3,989.72 : x
  2. Step 2: Convert to fraction form
    16,469.70/24,704.54 = 3,989.72/x
  3. Step 3: Cross multiply
    16,469.70x = 24,704.54 × 3,989.72
  4. Step 4: Simplify right side
    16,469.70x = 98,564,276.55
  5. Step 5: Solve for x
    x = 98,564,276.55/16,469.70
  6. Step 6: Final answer
    x = 5,984.58

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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.