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Finding the Fourth Proportional to 29,305.54, 43,974.06 and 19,449.46

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Solution

The fourth proportional to 29,305.54, 43,974.06 and 19,449.46 is: 29,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.54 : 43,974.06 = 19,449.46 : x
  2. Step 2: Convert to fraction form
    29,305.54/43,974.06 = 19,449.46/x
  3. Step 3: Cross multiply
    29,305.54x = 43,974.06 × 19,449.46
  4. Step 4: Simplify right side
    29,305.54x = 855,271,721.01
  5. Step 5: Solve for x
    x = 855,271,721.01/29,305.54
  6. Step 6: Final answer
    x = 29,184.64

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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.