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Finding the Fourth Proportional to 5,704.54, 7,912.53 and 5,552.81

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Solution

The fourth proportional to 5,704.54, 7,912.53 and 5,552.81 is: 7,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.54 : 7,912.53 = 5,552.81 : x
  2. Step 2: Convert to fraction form
    5,704.54/7,912.53 = 5,552.81/x
  3. Step 3: Cross multiply
    5,704.54x = 7,912.53 × 5,552.81
  4. Step 4: Simplify right side
    5,704.54x = 43,936,789.59
  5. Step 5: Solve for x
    x = 43,936,789.59/5,704.54
  6. Step 6: Final answer
    x = 7,702.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.