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Finding the Fourth Proportional to 1,262.38, 1,735.92 and 1,096.30

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Solution

The fourth proportional to 1,262.38, 1,735.92 and 1,096.30 is: 1,507.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.38 : 1,735.92 = 1,096.30 : x
  2. Step 2: Convert to fraction form
    1,262.38/1,735.92 = 1,096.30/x
  3. Step 3: Cross multiply
    1,262.38x = 1,735.92 × 1,096.30
  4. Step 4: Simplify right side
    1,262.38x = 1,903,089.10
  5. Step 5: Solve for x
    x = 1,903,089.10/1,262.38
  6. Step 6: Final answer
    x = 1,507.54

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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.