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Finding the Fourth Proportional to 13,951.56, 19,253.08 and 7,664.04

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Solution

The fourth proportional to 13,951.56, 19,253.08 and 7,664.04 is: 10,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.56 : 19,253.08 = 7,664.04 : x
  2. Step 2: Convert to fraction form
    13,951.56/19,253.08 = 7,664.04/x
  3. Step 3: Cross multiply
    13,951.56x = 19,253.08 × 7,664.04
  4. Step 4: Simplify right side
    13,951.56x = 147,556,375.24
  5. Step 5: Solve for x
    x = 147,556,375.24/13,951.56
  6. Step 6: Final answer
    x = 10,576.34

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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.