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Finding the Fourth Proportional to 7,791.44, 11,664.12 and 4,704.08

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Solution

The fourth proportional to 7,791.44, 11,664.12 and 4,704.08 is: 7,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.44 : 11,664.12 = 4,704.08 : x
  2. Step 2: Convert to fraction form
    7,791.44/11,664.12 = 4,704.08/x
  3. Step 3: Cross multiply
    7,791.44x = 11,664.12 × 4,704.08
  4. Step 4: Simplify right side
    7,791.44x = 54,868,953.61
  5. Step 5: Solve for x
    x = 54,868,953.61/7,791.44
  6. Step 6: Final answer
    x = 7,042.21

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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.