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Finding the Fourth Proportional to 62,604.40, 93,906.78 and 15,857.32

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Solution

The fourth proportional to 62,604.40, 93,906.78 and 15,857.32 is: 23,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,604.40 : 93,906.78 = 15,857.32 : x
  2. Step 2: Convert to fraction form
    62,604.40/93,906.78 = 15,857.32/x
  3. Step 3: Cross multiply
    62,604.40x = 93,906.78 × 15,857.32
  4. Step 4: Simplify right side
    62,604.40x = 1,489,109,860.63
  5. Step 5: Solve for x
    x = 1,489,109,860.63/62,604.40
  6. Step 6: Final answer
    x = 23,786.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.