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Finding the Fourth Proportional to 11,492, 17,236.92 and 4,096.16

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Solution

The fourth proportional to 11,492, 17,236.92 and 4,096.16 is: 6,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492 : 17,236.92 = 4,096.16 : x
  2. Step 2: Convert to fraction form
    11,492/17,236.92 = 4,096.16/x
  3. Step 3: Cross multiply
    11,492x = 17,236.92 × 4,096.16
  4. Step 4: Simplify right side
    11,492x = 70,605,182.23
  5. Step 5: Solve for x
    x = 70,605,182.23/11,492
  6. Step 6: Final answer
    x = 6,143.86

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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.