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Finding the Fourth Proportional to 29,892.45, 44,841.43 and 7,705.91

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Solution

The fourth proportional to 29,892.45, 44,841.43 and 7,705.91 is: 11,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,892.45 : 44,841.43 = 7,705.91 : x
  2. Step 2: Convert to fraction form
    29,892.45/44,841.43 = 7,705.91/x
  3. Step 3: Cross multiply
    29,892.45x = 44,841.43 × 7,705.91
  4. Step 4: Simplify right side
    29,892.45x = 345,544,145.59
  5. Step 5: Solve for x
    x = 345,544,145.59/29,892.45
  6. Step 6: Final answer
    x = 11,559.58

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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.