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Finding the Fourth Proportional to 29,249.64, 40,362.03 and 17,310.87

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Solution

The fourth proportional to 29,249.64, 40,362.03 and 17,310.87 is: 23,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,249.64 : 40,362.03 = 17,310.87 : x
  2. Step 2: Convert to fraction form
    29,249.64/40,362.03 = 17,310.87/x
  3. Step 3: Cross multiply
    29,249.64x = 40,362.03 × 17,310.87
  4. Step 4: Simplify right side
    29,249.64x = 698,701,854.27
  5. Step 5: Solve for x
    x = 698,701,854.27/29,249.64
  6. Step 6: Final answer
    x = 23,887.54

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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.