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Finding the Fourth Proportional to 29,706.26, 40,984.56 and 16,950.28

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Solution

The fourth proportional to 29,706.26, 40,984.56 and 16,950.28 is: 23,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,706.26 : 40,984.56 = 16,950.28 : x
  2. Step 2: Convert to fraction form
    29,706.26/40,984.56 = 16,950.28/x
  3. Step 3: Cross multiply
    29,706.26x = 40,984.56 × 16,950.28
  4. Step 4: Simplify right side
    29,706.26x = 694,699,767.68
  5. Step 5: Solve for x
    x = 694,699,767.68/29,706.26
  6. Step 6: Final answer
    x = 23,385.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.