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Finding the Fourth Proportional to 1,472.93, 2,032.46 and 843.39

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Solution

The fourth proportional to 1,472.93, 2,032.46 and 843.39 is: 1,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.93 : 2,032.46 = 843.39 : x
  2. Step 2: Convert to fraction form
    1,472.93/2,032.46 = 843.39/x
  3. Step 3: Cross multiply
    1,472.93x = 2,032.46 × 843.39
  4. Step 4: Simplify right side
    1,472.93x = 1,714,152.22
  5. Step 5: Solve for x
    x = 1,714,152.22/1,472.93
  6. Step 6: Final answer
    x = 1,163.77

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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.