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Finding the Fourth Proportional to 17,042.76, 25,516.09 and 9,019.36

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Solution

The fourth proportional to 17,042.76, 25,516.09 and 9,019.36 is: 13,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,042.76 : 25,516.09 = 9,019.36 : x
  2. Step 2: Convert to fraction form
    17,042.76/25,516.09 = 9,019.36/x
  3. Step 3: Cross multiply
    17,042.76x = 25,516.09 × 9,019.36
  4. Step 4: Simplify right side
    17,042.76x = 230,138,678.84
  5. Step 5: Solve for x
    x = 230,138,678.84/17,042.76
  6. Step 6: Final answer
    x = 13,503.60

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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.