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Finding the Fourth Proportional to 1,273.43, 1,757.41 and 832.52

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Solution

The fourth proportional to 1,273.43, 1,757.41 and 832.52 is: 1,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273.43 : 1,757.41 = 832.52 : x
  2. Step 2: Convert to fraction form
    1,273.43/1,757.41 = 832.52/x
  3. Step 3: Cross multiply
    1,273.43x = 1,757.41 × 832.52
  4. Step 4: Simplify right side
    1,273.43x = 1,463,068.10
  5. Step 5: Solve for x
    x = 1,463,068.10/1,273.43
  6. Step 6: Final answer
    x = 1,148.92

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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.