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Finding the Fourth Proportional to 16,469.60, 24,704.40 and 7,235.60

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Solution

The fourth proportional to 16,469.60, 24,704.40 and 7,235.60 is: 10,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,469.60 : 24,704.40 = 7,235.60 : x
  2. Step 2: Convert to fraction form
    16,469.60/24,704.40 = 7,235.60/x
  3. Step 3: Cross multiply
    16,469.60x = 24,704.40 × 7,235.60
  4. Step 4: Simplify right side
    16,469.60x = 178,751,156.64
  5. Step 5: Solve for x
    x = 178,751,156.64/16,469.60
  6. Step 6: Final answer
    x = 10,853.40

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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.