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Finding the Fourth Proportional to 5,500,576.62, 7,589,986.77 and 3,053,206.08

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Solution

The fourth proportional to 5,500,576.62, 7,589,986.77 and 3,053,206.08 is: 4,212,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500,576.62 : 7,589,986.77 = 3,053,206.08 : x
  2. Step 2: Convert to fraction form
    5,500,576.62/7,589,986.77 = 3,053,206.08/x
  3. Step 3: Cross multiply
    5,500,576.62x = 7,589,986.77 × 3,053,206.08
  4. Step 4: Simplify right side
    5,500,576.62x = 23,173,793,753,283.56
  5. Step 5: Solve for x
    x = 23,173,793,753,283.56/5,500,576.62
  6. Step 6: Final answer
    x = 4,212,975.36

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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.