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Finding the Fourth Proportional to 25,612, 35,344.56 and 13,836

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Solution

The fourth proportional to 25,612, 35,344.56 and 13,836 is: 19,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612 : 35,344.56 = 13,836 : x
  2. Step 2: Convert to fraction form
    25,612/35,344.56 = 13,836/x
  3. Step 3: Cross multiply
    25,612x = 35,344.56 × 13,836
  4. Step 4: Simplify right side
    25,612x = 489,027,332.16
  5. Step 5: Solve for x
    x = 489,027,332.16/25,612
  6. Step 6: Final answer
    x = 19,093.68

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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.