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Finding the Fourth Proportional to 17,253,128.70, 25,857,713.70 and 9,169,976.70

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Solution

The fourth proportional to 17,253,128.70, 25,857,713.70 and 9,169,976.70 is: 13,743,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,253,128.70 : 25,857,713.70 = 9,169,976.70 : x
  2. Step 2: Convert to fraction form
    17,253,128.70/25,857,713.70 = 9,169,976.70/x
  3. Step 3: Cross multiply
    17,253,128.70x = 25,857,713.70 × 9,169,976.70
  4. Step 4: Simplify right side
    17,253,128.70x = 237,114,632,144,270.75
  5. Step 5: Solve for x
    x = 237,114,632,144,270.75/17,253,128.70
  6. Step 6: Final answer
    x = 13,743,283.10

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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.