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Finding the Fourth Proportional to 79,324.50, 118,986.84 and 23,920.50

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Solution

The fourth proportional to 79,324.50, 118,986.84 and 23,920.50 is: 35,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,324.50 : 118,986.84 = 23,920.50 : x
  2. Step 2: Convert to fraction form
    79,324.50/118,986.84 = 23,920.50/x
  3. Step 3: Cross multiply
    79,324.50x = 118,986.84 × 23,920.50
  4. Step 4: Simplify right side
    79,324.50x = 2,846,224,706.22
  5. Step 5: Solve for x
    x = 2,846,224,706.22/79,324.50
  6. Step 6: Final answer
    x = 35,880.78

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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.