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Finding the Fourth Proportional to 61,594.08, 91,755.48 and 57,769.44

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Solution

The fourth proportional to 61,594.08, 91,755.48 and 57,769.44 is: 86,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,594.08 : 91,755.48 = 57,769.44 : x
  2. Step 2: Convert to fraction form
    61,594.08/91,755.48 = 57,769.44/x
  3. Step 3: Cross multiply
    61,594.08x = 91,755.48 × 57,769.44
  4. Step 4: Simplify right side
    61,594.08x = 5,300,662,696.53
  5. Step 5: Solve for x
    x = 5,300,662,696.53/61,594.08
  6. Step 6: Final answer
    x = 86,057.99

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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.