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Finding the Fourth Proportional to 952.60, 1,416.08 and 923.44

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Solution

The fourth proportional to 952.60, 1,416.08 and 923.44 is: 1,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.60 : 1,416.08 = 923.44 : x
  2. Step 2: Convert to fraction form
    952.60/1,416.08 = 923.44/x
  3. Step 3: Cross multiply
    952.60x = 1,416.08 × 923.44
  4. Step 4: Simplify right side
    952.60x = 1,307,664.92
  5. Step 5: Solve for x
    x = 1,307,664.92/952.60
  6. Step 6: Final answer
    x = 1,372.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.