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Finding the Fourth Proportional to 5,910.51, 8,866.82 and 1,962

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Solution

The fourth proportional to 5,910.51, 8,866.82 and 1,962 is: 2,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.51 : 8,866.82 = 1,962 : x
  2. Step 2: Convert to fraction form
    5,910.51/8,866.82 = 1,962/x
  3. Step 3: Cross multiply
    5,910.51x = 8,866.82 × 1,962
  4. Step 4: Simplify right side
    5,910.51x = 17,396,700.84
  5. Step 5: Solve for x
    x = 17,396,700.84/5,910.51
  6. Step 6: Final answer
    x = 2,943.35

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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.