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Finding the Fourth Proportional to 6,264,608.80, 9,396,913.20 and 6,107,144.80

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Solution

The fourth proportional to 6,264,608.80, 9,396,913.20 and 6,107,144.80 is: 9,160,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,264,608.80 : 9,396,913.20 = 6,107,144.80 : x
  2. Step 2: Convert to fraction form
    6,264,608.80/9,396,913.20 = 6,107,144.80/x
  3. Step 3: Cross multiply
    6,264,608.80x = 9,396,913.20 × 6,107,144.80
  4. Step 4: Simplify right side
    6,264,608.80x = 57,388,309,585,431.35
  5. Step 5: Solve for x
    x = 57,388,309,585,431.35/6,264,608.80
  6. Step 6: Final answer
    x = 9,160,717.20

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Double scale
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Similar ratio
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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.