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Finding the Fourth Proportional to 50,511.51, 69,735.75 and 44,907

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Solution

The fourth proportional to 50,511.51, 69,735.75 and 44,907 is: 61,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,511.51 : 69,735.75 = 44,907 : x
  2. Step 2: Convert to fraction form
    50,511.51/69,735.75 = 44,907/x
  3. Step 3: Cross multiply
    50,511.51x = 69,735.75 × 44,907
  4. Step 4: Simplify right side
    50,511.51x = 3,131,623,325.25
  5. Step 5: Solve for x
    x = 3,131,623,325.25/50,511.51
  6. Step 6: Final answer
    x = 61,998.21

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1.5x scale

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.