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Finding the Fourth Proportional to 43,266.84, 64,872.36 and 16,974.24

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Solution

The fourth proportional to 43,266.84, 64,872.36 and 16,974.24 is: 25,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.84 : 64,872.36 = 16,974.24 : x
  2. Step 2: Convert to fraction form
    43,266.84/64,872.36 = 16,974.24/x
  3. Step 3: Cross multiply
    43,266.84x = 64,872.36 × 16,974.24
  4. Step 4: Simplify right side
    43,266.84x = 1,101,159,008.01
  5. Step 5: Solve for x
    x = 1,101,159,008.01/43,266.84
  6. Step 6: Final answer
    x = 25,450.41

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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.