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Finding the Fourth Proportional to 1,032.73, 1,427.22 and 845.93

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Solution

The fourth proportional to 1,032.73, 1,427.22 and 845.93 is: 1,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.73 : 1,427.22 = 845.93 : x
  2. Step 2: Convert to fraction form
    1,032.73/1,427.22 = 845.93/x
  3. Step 3: Cross multiply
    1,032.73x = 1,427.22 × 845.93
  4. Step 4: Simplify right side
    1,032.73x = 1,207,323.75
  5. Step 5: Solve for x
    x = 1,207,323.75/1,032.73
  6. Step 6: Final answer
    x = 1,169.06

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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.