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Finding the Fourth Proportional to 30,596.78, 45,772.44 and 26,481.58

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Solution

The fourth proportional to 30,596.78, 45,772.44 and 26,481.58 is: 39,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,596.78 : 45,772.44 = 26,481.58 : x
  2. Step 2: Convert to fraction form
    30,596.78/45,772.44 = 26,481.58/x
  3. Step 3: Cross multiply
    30,596.78x = 45,772.44 × 26,481.58
  4. Step 4: Simplify right side
    30,596.78x = 1,212,126,531.66
  5. Step 5: Solve for x
    x = 1,212,126,531.66/30,596.78
  6. Step 6: Final answer
    x = 39,616.15

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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.