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Finding the Fourth Proportional to 3,911.29, 5,866.13 and 1,444.43

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Solution

The fourth proportional to 3,911.29, 5,866.13 and 1,444.43 is: 2,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.29 : 5,866.13 = 1,444.43 : x
  2. Step 2: Convert to fraction form
    3,911.29/5,866.13 = 1,444.43/x
  3. Step 3: Cross multiply
    3,911.29x = 5,866.13 × 1,444.43
  4. Step 4: Simplify right side
    3,911.29x = 8,473,190.35
  5. Step 5: Solve for x
    x = 8,473,190.35/3,911.29
  6. Step 6: Final answer
    x = 2,166.34

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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.