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Finding the Fourth Proportional to 45,906.80, 68,860.06 and 25,907.22

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Solution

The fourth proportional to 45,906.80, 68,860.06 and 25,907.22 is: 38,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,906.80 : 68,860.06 = 25,907.22 : x
  2. Step 2: Convert to fraction form
    45,906.80/68,860.06 = 25,907.22/x
  3. Step 3: Cross multiply
    45,906.80x = 68,860.06 × 25,907.22
  4. Step 4: Simplify right side
    45,906.80x = 1,783,972,723.63
  5. Step 5: Solve for x
    x = 1,783,972,723.63/45,906.80
  6. Step 6: Final answer
    x = 38,860.75

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1.5x scale

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.