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Finding the Fourth Proportional to 29,173.88, 40,259.94 and 17,241.50

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Solution

The fourth proportional to 29,173.88, 40,259.94 and 17,241.50 is: 23,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,173.88 : 40,259.94 = 17,241.50 : x
  2. Step 2: Convert to fraction form
    29,173.88/40,259.94 = 17,241.50/x
  3. Step 3: Cross multiply
    29,173.88x = 40,259.94 × 17,241.50
  4. Step 4: Simplify right side
    29,173.88x = 694,141,755.51
  5. Step 5: Solve for x
    x = 694,141,755.51/29,173.88
  6. Step 6: Final answer
    x = 23,793.26

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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.