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Finding the Fourth Proportional to 1,864.10, 2,798.09 and 1,822.26

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Solution

The fourth proportional to 1,864.10, 2,798.09 and 1,822.26 is: 2,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.10 : 2,798.09 = 1,822.26 : x
  2. Step 2: Convert to fraction form
    1,864.10/2,798.09 = 1,822.26/x
  3. Step 3: Cross multiply
    1,864.10x = 2,798.09 × 1,822.26
  4. Step 4: Simplify right side
    1,864.10x = 5,098,838.37
  5. Step 5: Solve for x
    x = 5,098,838.37/1,864.10
  6. Step 6: Final answer
    x = 2,735.29

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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.