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Finding the Fourth Proportional to 45,672.44, 68,570.79 and 25,695.99

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Solution

The fourth proportional to 45,672.44, 68,570.79 and 25,695.99 is: 38,578.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,672.44 : 68,570.79 = 25,695.99 : x
  2. Step 2: Convert to fraction form
    45,672.44/68,570.79 = 25,695.99/x
  3. Step 3: Cross multiply
    45,672.44x = 68,570.79 × 25,695.99
  4. Step 4: Simplify right side
    45,672.44x = 1,761,994,334.13
  5. Step 5: Solve for x
    x = 1,761,994,334.13/45,672.44
  6. Step 6: Final answer
    x = 38,578.94

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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.