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Finding the Fourth Proportional to 57,693.40, 79,617.92 and 33,837.28

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Solution

The fourth proportional to 57,693.40, 79,617.92 and 33,837.28 is: 46,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,693.40 : 79,617.92 = 33,837.28 : x
  2. Step 2: Convert to fraction form
    57,693.40/79,617.92 = 33,837.28/x
  3. Step 3: Cross multiply
    57,693.40x = 79,617.92 × 33,837.28
  4. Step 4: Simplify right side
    57,693.40x = 2,694,053,852.06
  5. Step 5: Solve for x
    x = 2,694,053,852.06/57,693.40
  6. Step 6: Final answer
    x = 46,696.05

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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.