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Finding the Fourth Proportional to 6,608.73, 9,121.23 and 4,938.51

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Solution

The fourth proportional to 6,608.73, 9,121.23 and 4,938.51 is: 6,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.73 : 9,121.23 = 4,938.51 : x
  2. Step 2: Convert to fraction form
    6,608.73/9,121.23 = 4,938.51/x
  3. Step 3: Cross multiply
    6,608.73x = 9,121.23 × 4,938.51
  4. Step 4: Simplify right side
    6,608.73x = 45,045,285.57
  5. Step 5: Solve for x
    x = 45,045,285.57/6,608.73
  6. Step 6: Final answer
    x = 6,816.03

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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.