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Finding the Fourth Proportional to 29,551.76, 40,788.27 and 19,481.98

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Solution

The fourth proportional to 29,551.76, 40,788.27 and 19,481.98 is: 26,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,551.76 : 40,788.27 = 19,481.98 : x
  2. Step 2: Convert to fraction form
    29,551.76/40,788.27 = 19,481.98/x
  3. Step 3: Cross multiply
    29,551.76x = 40,788.27 × 19,481.98
  4. Step 4: Simplify right side
    29,551.76x = 794,636,260.37
  5. Step 5: Solve for x
    x = 794,636,260.37/29,551.76
  6. Step 6: Final answer
    x = 26,889.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.