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Finding the Fourth Proportional to 3,800.51, 5,244.51 and 2,228.50

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Solution

The fourth proportional to 3,800.51, 5,244.51 and 2,228.50 is: 3,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.51 : 5,244.51 = 2,228.50 : x
  2. Step 2: Convert to fraction form
    3,800.51/5,244.51 = 2,228.50/x
  3. Step 3: Cross multiply
    3,800.51x = 5,244.51 × 2,228.50
  4. Step 4: Simplify right side
    3,800.51x = 11,687,390.54
  5. Step 5: Solve for x
    x = 11,687,390.54/3,800.51
  6. Step 6: Final answer
    x = 3,075.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.