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Finding the Fourth Proportional to 952.56, 1,310.85 and 925.29

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Solution

The fourth proportional to 952.56, 1,310.85 and 925.29 is: 1,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.56 : 1,310.85 = 925.29 : x
  2. Step 2: Convert to fraction form
    952.56/1,310.85 = 925.29/x
  3. Step 3: Cross multiply
    952.56x = 1,310.85 × 925.29
  4. Step 4: Simplify right side
    952.56x = 1,212,916.40
  5. Step 5: Solve for x
    x = 1,212,916.40/952.56
  6. Step 6: Final answer
    x = 1,273.32

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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.