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Finding the Fourth Proportional to 18,042, 24,902.36 and 10,973.12

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Solution

The fourth proportional to 18,042, 24,902.36 and 10,973.12 is: 15,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042 : 24,902.36 = 10,973.12 : x
  2. Step 2: Convert to fraction form
    18,042/24,902.36 = 10,973.12/x
  3. Step 3: Cross multiply
    18,042x = 24,902.36 × 10,973.12
  4. Step 4: Simplify right side
    18,042x = 273,256,584.56
  5. Step 5: Solve for x
    x = 273,256,584.56/18,042
  6. Step 6: Final answer
    x = 15,145.58

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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.