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Finding the Fourth Proportional to 29,663.52, 40,917.87 and 19,591.98

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Solution

The fourth proportional to 29,663.52, 40,917.87 and 19,591.98 is: 27,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663.52 : 40,917.87 = 19,591.98 : x
  2. Step 2: Convert to fraction form
    29,663.52/40,917.87 = 19,591.98/x
  3. Step 3: Cross multiply
    29,663.52x = 40,917.87 × 19,591.98
  4. Step 4: Simplify right side
    29,663.52x = 801,662,090.68
  5. Step 5: Solve for x
    x = 801,662,090.68/29,663.52
  6. Step 6: Final answer
    x = 27,025.18

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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.