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Finding the Fourth Proportional to 1,473.14, 2,032.92 and 843.63

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Solution

The fourth proportional to 1,473.14, 2,032.92 and 843.63 is: 1,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.14 : 2,032.92 = 843.63 : x
  2. Step 2: Convert to fraction form
    1,473.14/2,032.92 = 843.63/x
  3. Step 3: Cross multiply
    1,473.14x = 2,032.92 × 843.63
  4. Step 4: Simplify right side
    1,473.14x = 1,715,032.30
  5. Step 5: Solve for x
    x = 1,715,032.30/1,473.14
  6. Step 6: Final answer
    x = 1,164.21

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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.