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Finding the Fourth Proportional to 29,571.35, 40,798.69 and 19,504.80

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Solution

The fourth proportional to 29,571.35, 40,798.69 and 19,504.80 is: 26,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,571.35 : 40,798.69 = 19,504.80 : x
  2. Step 2: Convert to fraction form
    29,571.35/40,798.69 = 19,504.80/x
  3. Step 3: Cross multiply
    29,571.35x = 40,798.69 × 19,504.80
  4. Step 4: Simplify right side
    29,571.35x = 795,770,239.95
  5. Step 5: Solve for x
    x = 795,770,239.95/29,571.35
  6. Step 6: Final answer
    x = 26,910.18

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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.