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Finding the Fourth Proportional to 62,694.49, 93,969.30 and 28,889.83

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Solution

The fourth proportional to 62,694.49, 93,969.30 and 28,889.83 is: 43,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,694.49 : 93,969.30 = 28,889.83 : x
  2. Step 2: Convert to fraction form
    62,694.49/93,969.30 = 28,889.83/x
  3. Step 3: Cross multiply
    62,694.49x = 93,969.30 × 28,889.83
  4. Step 4: Simplify right side
    62,694.49x = 2,714,757,302.79
  5. Step 5: Solve for x
    x = 2,714,757,302.79/62,694.49
  6. Step 6: Final answer
    x = 43,301.37

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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.