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Finding the Fourth Proportional to 29,203.84, 43,764.64 and 16,705.12

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Solution

The fourth proportional to 29,203.84, 43,764.64 and 16,705.12 is: 25,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,203.84 : 43,764.64 = 16,705.12 : x
  2. Step 2: Convert to fraction form
    29,203.84/43,764.64 = 16,705.12/x
  3. Step 3: Cross multiply
    29,203.84x = 43,764.64 × 16,705.12
  4. Step 4: Simplify right side
    29,203.84x = 731,093,562.96
  5. Step 5: Solve for x
    x = 731,093,562.96/29,203.84
  6. Step 6: Final answer
    x = 25,034.16

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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.