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Finding the Fourth Proportional to 29,268, 40,378.14 and 17,326.98

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Solution

The fourth proportional to 29,268, 40,378.14 and 17,326.98 is: 23,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,268 : 40,378.14 = 17,326.98 : x
  2. Step 2: Convert to fraction form
    29,268/40,378.14 = 17,326.98/x
  3. Step 3: Cross multiply
    29,268x = 40,378.14 × 17,326.98
  4. Step 4: Simplify right side
    29,268x = 699,631,224.22
  5. Step 5: Solve for x
    x = 699,631,224.22/29,268
  6. Step 6: Final answer
    x = 23,904.31

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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.