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Finding the Fourth Proportional to 2,841.91, 4,263.44 and 893.66

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Solution

The fourth proportional to 2,841.91, 4,263.44 and 893.66 is: 1,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.91 : 4,263.44 = 893.66 : x
  2. Step 2: Convert to fraction form
    2,841.91/4,263.44 = 893.66/x
  3. Step 3: Cross multiply
    2,841.91x = 4,263.44 × 893.66
  4. Step 4: Simplify right side
    2,841.91x = 3,810,040.00
  5. Step 5: Solve for x
    x = 3,810,040.00/2,841.91
  6. Step 6: Final answer
    x = 1,340.66

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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.