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Finding the Fourth Proportional to 1,866.21, 2,798.37 and 1,044.26

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Solution

The fourth proportional to 1,866.21, 2,798.37 and 1,044.26 is: 1,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.21 : 2,798.37 = 1,044.26 : x
  2. Step 2: Convert to fraction form
    1,866.21/2,798.37 = 1,044.26/x
  3. Step 3: Cross multiply
    1,866.21x = 2,798.37 × 1,044.26
  4. Step 4: Simplify right side
    1,866.21x = 2,922,241.04
  5. Step 5: Solve for x
    x = 2,922,241.04/1,866.21
  6. Step 6: Final answer
    x = 1,565.87

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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.