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Finding the Fourth Proportional to 2,793,954.50, 3,858,584.50 and 1,925,048.48

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Solution

The fourth proportional to 2,793,954.50, 3,858,584.50 and 1,925,048.48 is: 2,658,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793,954.50 : 3,858,584.50 = 1,925,048.48 : x
  2. Step 2: Convert to fraction form
    2,793,954.50/3,858,584.50 = 1,925,048.48/x
  3. Step 3: Cross multiply
    2,793,954.50x = 3,858,584.50 × 1,925,048.48
  4. Step 4: Simplify right side
    2,793,954.50x = 7,427,962,226,676.56
  5. Step 5: Solve for x
    x = 7,427,962,226,676.56/2,793,954.50
  6. Step 6: Final answer
    x = 2,658,583.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.