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Finding the Fourth Proportional to 11,664,411.10, 17,496,616.65 and 3,145,608.70

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Solution

The fourth proportional to 11,664,411.10, 17,496,616.65 and 3,145,608.70 is: 4,718,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664,411.10 : 17,496,616.65 = 3,145,608.70 : x
  2. Step 2: Convert to fraction form
    11,664,411.10/17,496,616.65 = 3,145,608.70/x
  3. Step 3: Cross multiply
    11,664,411.10x = 17,496,616.65 × 3,145,608.70
  4. Step 4: Simplify right side
    11,664,411.10x = 55,037,509,554,804.85
  5. Step 5: Solve for x
    x = 55,037,509,554,804.85/11,664,411.10
  6. Step 6: Final answer
    x = 4,718,413.05

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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.