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Finding the Fourth Proportional to 1,162.19, 1,600.31 and 1,004.54

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Solution

The fourth proportional to 1,162.19, 1,600.31 and 1,004.54 is: 1,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.19 : 1,600.31 = 1,004.54 : x
  2. Step 2: Convert to fraction form
    1,162.19/1,600.31 = 1,004.54/x
  3. Step 3: Cross multiply
    1,162.19x = 1,600.31 × 1,004.54
  4. Step 4: Simplify right side
    1,162.19x = 1,607,562.38
  5. Step 5: Solve for x
    x = 1,607,562.38/1,162.19
  6. Step 6: Final answer
    x = 1,383.22

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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.