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Finding the Fourth Proportional to 3,848,254.80, 5,774,373.90 and 2,792,014.80

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Solution

The fourth proportional to 3,848,254.80, 5,774,373.90 and 2,792,014.80 is: 4,189,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848,254.80 : 5,774,373.90 = 2,792,014.80 : x
  2. Step 2: Convert to fraction form
    3,848,254.80/5,774,373.90 = 2,792,014.80/x
  3. Step 3: Cross multiply
    3,848,254.80x = 5,774,373.90 × 2,792,014.80
  4. Step 4: Simplify right side
    3,848,254.80x = 16,122,137,389,533.72
  5. Step 5: Solve for x
    x = 16,122,137,389,533.72/3,848,254.80
  6. Step 6: Final answer
    x = 4,189,467.23

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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.