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Finding the Fourth Proportional to 29,195.99, 43,755.90 and 13,395.32

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Solution

The fourth proportional to 29,195.99, 43,755.90 and 13,395.32 is: 20,075.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,195.99 : 43,755.90 = 13,395.32 : x
  2. Step 2: Convert to fraction form
    29,195.99/43,755.90 = 13,395.32/x
  3. Step 3: Cross multiply
    29,195.99x = 43,755.90 × 13,395.32
  4. Step 4: Simplify right side
    29,195.99x = 586,124,282.39
  5. Step 5: Solve for x
    x = 586,124,282.39/29,195.99
  6. Step 6: Final answer
    x = 20,075.51

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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.