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Finding the Fourth Proportional to 6,997,807.73, 9,657,019.46 and 3,900,527.44

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Solution

The fourth proportional to 6,997,807.73, 9,657,019.46 and 3,900,527.44 is: 5,382,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997,807.73 : 9,657,019.46 = 3,900,527.44 : x
  2. Step 2: Convert to fraction form
    6,997,807.73/9,657,019.46 = 3,900,527.44/x
  3. Step 3: Cross multiply
    6,997,807.73x = 9,657,019.46 × 3,900,527.44
  4. Step 4: Simplify right side
    6,997,807.73x = 37,667,469,324,556.25
  5. Step 5: Solve for x
    x = 37,667,469,324,556.25/6,997,807.73
  6. Step 6: Final answer
    x = 5,382,752.82

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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.