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Finding the Fourth Proportional to 25,436.31, 35,100.39 and 14,105.39

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Solution

The fourth proportional to 25,436.31, 35,100.39 and 14,105.39 is: 19,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.31 : 35,100.39 = 14,105.39 : x
  2. Step 2: Convert to fraction form
    25,436.31/35,100.39 = 14,105.39/x
  3. Step 3: Cross multiply
    25,436.31x = 35,100.39 × 14,105.39
  4. Step 4: Simplify right side
    25,436.31x = 495,104,514.60
  5. Step 5: Solve for x
    x = 495,104,514.60/25,436.31
  6. Step 6: Final answer
    x = 19,464.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.