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Finding the Fourth Proportional to 3,050.87, 4,576.36 and 859.66

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Solution

The fourth proportional to 3,050.87, 4,576.36 and 859.66 is: 1,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.87 : 4,576.36 = 859.66 : x
  2. Step 2: Convert to fraction form
    3,050.87/4,576.36 = 859.66/x
  3. Step 3: Cross multiply
    3,050.87x = 4,576.36 × 859.66
  4. Step 4: Simplify right side
    3,050.87x = 3,934,100.05
  5. Step 5: Solve for x
    x = 3,934,100.05/3,050.87
  6. Step 6: Final answer
    x = 1,289.50

Related Problems

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Double scale
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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.