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Finding the Fourth Proportional to 6,704.69, 9,254.59 and 4,721.05

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Solution

The fourth proportional to 6,704.69, 9,254.59 and 4,721.05 is: 6,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.69 : 9,254.59 = 4,721.05 : x
  2. Step 2: Convert to fraction form
    6,704.69/9,254.59 = 4,721.05/x
  3. Step 3: Cross multiply
    6,704.69x = 9,254.59 × 4,721.05
  4. Step 4: Simplify right side
    6,704.69x = 43,691,382.12
  5. Step 5: Solve for x
    x = 43,691,382.12/6,704.69
  6. Step 6: Final answer
    x = 6,516.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.