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Finding the Fourth Proportional to 45,640.26, 62,979.03 and 25,496.72

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Solution

The fourth proportional to 45,640.26, 62,979.03 and 25,496.72 is: 35,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,640.26 : 62,979.03 = 25,496.72 : x
  2. Step 2: Convert to fraction form
    45,640.26/62,979.03 = 25,496.72/x
  3. Step 3: Cross multiply
    45,640.26x = 62,979.03 × 25,496.72
  4. Step 4: Simplify right side
    45,640.26x = 1,605,758,378.89
  5. Step 5: Solve for x
    x = 1,605,758,378.89/45,640.26
  6. Step 6: Final answer
    x = 35,182.94

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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.