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Finding the Fourth Proportional to 69,395.70, 104,093.16 and 16,805.18

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Solution

The fourth proportional to 69,395.70, 104,093.16 and 16,805.18 is: 25,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,395.70 : 104,093.16 = 16,805.18 : x
  2. Step 2: Convert to fraction form
    69,395.70/104,093.16 = 16,805.18/x
  3. Step 3: Cross multiply
    69,395.70x = 104,093.16 × 16,805.18
  4. Step 4: Simplify right side
    69,395.70x = 1,749,304,290.57
  5. Step 5: Solve for x
    x = 1,749,304,290.57/69,395.70
  6. Step 6: Final answer
    x = 25,207.68

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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.