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Finding the Fourth Proportional to 17,757,604.80, 26,648,848.80 and 11,383,358.40

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Solution

The fourth proportional to 17,757,604.80, 26,648,848.80 and 11,383,358.40 is: 17,083,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757,604.80 : 26,648,848.80 = 11,383,358.40 : x
  2. Step 2: Convert to fraction form
    17,757,604.80/26,648,848.80 = 11,383,358.40/x
  3. Step 3: Cross multiply
    17,757,604.80x = 26,648,848.80 × 11,383,358.40
  4. Step 4: Simplify right side
    17,757,604.80x = 303,353,396,837,809.94
  5. Step 5: Solve for x
    x = 303,353,396,837,809.94/17,757,604.80
  6. Step 6: Final answer
    x = 17,083,013.18

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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.