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Finding the Fourth Proportional to 1,595.44, 2,201.75 and 887.31

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Solution

The fourth proportional to 1,595.44, 2,201.75 and 887.31 is: 1,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.44 : 2,201.75 = 887.31 : x
  2. Step 2: Convert to fraction form
    1,595.44/2,201.75 = 887.31/x
  3. Step 3: Cross multiply
    1,595.44x = 2,201.75 × 887.31
  4. Step 4: Simplify right side
    1,595.44x = 1,953,634.79
  5. Step 5: Solve for x
    x = 1,953,634.79/1,595.44
  6. Step 6: Final answer
    x = 1,224.51

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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.