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Finding the Fourth Proportional to 3,366.41, 5,050.41 and 1,057.91

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Solution

The fourth proportional to 3,366.41, 5,050.41 and 1,057.91 is: 1,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.41 : 5,050.41 = 1,057.91 : x
  2. Step 2: Convert to fraction form
    3,366.41/5,050.41 = 1,057.91/x
  3. Step 3: Cross multiply
    3,366.41x = 5,050.41 × 1,057.91
  4. Step 4: Simplify right side
    3,366.41x = 5,342,853.99
  5. Step 5: Solve for x
    x = 5,342,853.99/3,366.41
  6. Step 6: Final answer
    x = 1,587.11

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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.