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Finding the Fourth Proportional to 9,792,192.80, 14,690,362.80 and 2,968,205.60

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Solution

The fourth proportional to 9,792,192.80, 14,690,362.80 and 2,968,205.60 is: 4,452,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792,192.80 : 14,690,362.80 = 2,968,205.60 : x
  2. Step 2: Convert to fraction form
    9,792,192.80/14,690,362.80 = 2,968,205.60/x
  3. Step 3: Cross multiply
    9,792,192.80x = 14,690,362.80 × 2,968,205.60
  4. Step 4: Simplify right side
    9,792,192.80x = 43,604,017,128,991.68
  5. Step 5: Solve for x
    x = 43,604,017,128,991.68/9,792,192.80
  6. Step 6: Final answer
    x = 4,452,936.95

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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.