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Finding the Fourth Proportional to 3,050.74, 4,576.23 and 859.66

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Solution

The fourth proportional to 3,050.74, 4,576.23 and 859.66 is: 1,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.74 : 4,576.23 = 859.66 : x
  2. Step 2: Convert to fraction form
    3,050.74/4,576.23 = 859.66/x
  3. Step 3: Cross multiply
    3,050.74x = 4,576.23 × 859.66
  4. Step 4: Simplify right side
    3,050.74x = 3,934,001.88
  5. Step 5: Solve for x
    x = 3,934,001.88/3,050.74
  6. Step 6: Final answer
    x = 1,289.52

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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.