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Finding the Fourth Proportional to 62,857.63, 93,694.31 and 57,813.09

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Solution

The fourth proportional to 62,857.63, 93,694.31 and 57,813.09 is: 86,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,857.63 : 93,694.31 = 57,813.09 : x
  2. Step 2: Convert to fraction form
    62,857.63/93,694.31 = 57,813.09/x
  3. Step 3: Cross multiply
    62,857.63x = 93,694.31 × 57,813.09
  4. Step 4: Simplify right side
    62,857.63x = 5,416,757,666.22
  5. Step 5: Solve for x
    x = 5,416,757,666.22/62,857.63
  6. Step 6: Final answer
    x = 86,175.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.