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Finding the Fourth Proportional to 29,665.52, 44,505.56 and 8,889

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Solution

The fourth proportional to 29,665.52, 44,505.56 and 8,889 is: 13,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,665.52 : 44,505.56 = 8,889 : x
  2. Step 2: Convert to fraction form
    29,665.52/44,505.56 = 8,889/x
  3. Step 3: Cross multiply
    29,665.52x = 44,505.56 × 8,889
  4. Step 4: Simplify right side
    29,665.52x = 395,609,922.84
  5. Step 5: Solve for x
    x = 395,609,922.84/29,665.52
  6. Step 6: Final answer
    x = 13,335.68

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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.