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Finding the Fourth Proportional to 22,704.88, 34,019.52 and 7,905.64

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Solution

The fourth proportional to 22,704.88, 34,019.52 and 7,905.64 is: 11,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.88 : 34,019.52 = 7,905.64 : x
  2. Step 2: Convert to fraction form
    22,704.88/34,019.52 = 7,905.64/x
  3. Step 3: Cross multiply
    22,704.88x = 34,019.52 × 7,905.64
  4. Step 4: Simplify right side
    22,704.88x = 268,946,078.09
  5. Step 5: Solve for x
    x = 268,946,078.09/22,704.88
  6. Step 6: Final answer
    x = 11,845.30

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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.