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Finding the Fourth Proportional to 8,382,952.74, 12,579,308.85 and 3,524,907.66

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Solution

The fourth proportional to 8,382,952.74, 12,579,308.85 and 3,524,907.66 is: 5,289,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,952.74 : 12,579,308.85 = 3,524,907.66 : x
  2. Step 2: Convert to fraction form
    8,382,952.74/12,579,308.85 = 3,524,907.66/x
  3. Step 3: Cross multiply
    8,382,952.74x = 12,579,308.85 × 3,524,907.66
  4. Step 4: Simplify right side
    8,382,952.74x = 44,340,902,122,870.79
  5. Step 5: Solve for x
    x = 44,340,902,122,870.79/8,382,952.74
  6. Step 6: Final answer
    x = 5,289,413.35

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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.