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Finding the Fourth Proportional to 835.14, 1,253.36 and 792.32

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Solution

The fourth proportional to 835.14, 1,253.36 and 792.32 is: 1,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.14 : 1,253.36 = 792.32 : x
  2. Step 2: Convert to fraction form
    835.14/1,253.36 = 792.32/x
  3. Step 3: Cross multiply
    835.14x = 1,253.36 × 792.32
  4. Step 4: Simplify right side
    835.14x = 993,062.20
  5. Step 5: Solve for x
    x = 993,062.20/835.14
  6. Step 6: Final answer
    x = 1,189.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.