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Finding the Fourth Proportional to 6,772.67, 10,147.38 and 6,087.89

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Solution

The fourth proportional to 6,772.67, 10,147.38 and 6,087.89 is: 9,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.67 : 10,147.38 = 6,087.89 : x
  2. Step 2: Convert to fraction form
    6,772.67/10,147.38 = 6,087.89/x
  3. Step 3: Cross multiply
    6,772.67x = 10,147.38 × 6,087.89
  4. Step 4: Simplify right side
    6,772.67x = 61,776,133.23
  5. Step 5: Solve for x
    x = 61,776,133.23/6,772.67
  6. Step 6: Final answer
    x = 9,121.39

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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.