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Finding the Fourth Proportional to 3,775.63, 5,664.44 and 1,310.44

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Solution

The fourth proportional to 3,775.63, 5,664.44 and 1,310.44 is: 1,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.63 : 5,664.44 = 1,310.44 : x
  2. Step 2: Convert to fraction form
    3,775.63/5,664.44 = 1,310.44/x
  3. Step 3: Cross multiply
    3,775.63x = 5,664.44 × 1,310.44
  4. Step 4: Simplify right side
    3,775.63x = 7,422,908.75
  5. Step 5: Solve for x
    x = 7,422,908.75/3,775.63
  6. Step 6: Final answer
    x = 1,966.01

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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.