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Finding the Fourth Proportional to 69,755.84, 104,601 and 25,351.28

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Solution

The fourth proportional to 69,755.84, 104,601 and 25,351.28 is: 38,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,755.84 : 104,601 = 25,351.28 : x
  2. Step 2: Convert to fraction form
    69,755.84/104,601 = 25,351.28/x
  3. Step 3: Cross multiply
    69,755.84x = 104,601 × 25,351.28
  4. Step 4: Simplify right side
    69,755.84x = 2,651,769,239.28
  5. Step 5: Solve for x
    x = 2,651,769,239.28/69,755.84
  6. Step 6: Final answer
    x = 38,015.01

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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.