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Finding the Fourth Proportional to 29,059.37, 39,976.08 and 25,458.11

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Solution

The fourth proportional to 29,059.37, 39,976.08 and 25,458.11 is: 35,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,059.37 : 39,976.08 = 25,458.11 : x
  2. Step 2: Convert to fraction form
    29,059.37/39,976.08 = 25,458.11/x
  3. Step 3: Cross multiply
    29,059.37x = 39,976.08 × 25,458.11
  4. Step 4: Simplify right side
    29,059.37x = 1,017,715,242.13
  5. Step 5: Solve for x
    x = 1,017,715,242.13/29,059.37
  6. Step 6: Final answer
    x = 35,021.94

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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.