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Finding the Fourth Proportional to 1,273.53, 1,757.97 and 925.23

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Solution

The fourth proportional to 1,273.53, 1,757.97 and 925.23 is: 1,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273.53 : 1,757.97 = 925.23 : x
  2. Step 2: Convert to fraction form
    1,273.53/1,757.97 = 925.23/x
  3. Step 3: Cross multiply
    1,273.53x = 1,757.97 × 925.23
  4. Step 4: Simplify right side
    1,273.53x = 1,626,526.58
  5. Step 5: Solve for x
    x = 1,626,526.58/1,273.53
  6. Step 6: Final answer
    x = 1,277.18

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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.