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Finding the Fourth Proportional to 29,522.99, 40,742.48 and 18,199.97

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Solution

The fourth proportional to 29,522.99, 40,742.48 and 18,199.97 is: 25,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,522.99 : 40,742.48 = 18,199.97 : x
  2. Step 2: Convert to fraction form
    29,522.99/40,742.48 = 18,199.97/x
  3. Step 3: Cross multiply
    29,522.99x = 40,742.48 × 18,199.97
  4. Step 4: Simplify right side
    29,522.99x = 741,511,755.51
  5. Step 5: Solve for x
    x = 741,511,755.51/29,522.99
  6. Step 6: Final answer
    x = 25,116.42

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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.