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Finding the Fourth Proportional to 3,051.44, 4,576.62 and 859.64

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Solution

The fourth proportional to 3,051.44, 4,576.62 and 859.64 is: 1,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.44 : 4,576.62 = 859.64 : x
  2. Step 2: Convert to fraction form
    3,051.44/4,576.62 = 859.64/x
  3. Step 3: Cross multiply
    3,051.44x = 4,576.62 × 859.64
  4. Step 4: Simplify right side
    3,051.44x = 3,934,257.06
  5. Step 5: Solve for x
    x = 3,934,257.06/3,051.44
  6. Step 6: Final answer
    x = 1,289.31

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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.