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Finding the Fourth Proportional to 57,828.26, 79,825.02 and 37,690.04

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Solution

The fourth proportional to 57,828.26, 79,825.02 and 37,690.04 is: 52,026.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,828.26 : 79,825.02 = 37,690.04 : x
  2. Step 2: Convert to fraction form
    57,828.26/79,825.02 = 37,690.04/x
  3. Step 3: Cross multiply
    57,828.26x = 79,825.02 × 37,690.04
  4. Step 4: Simplify right side
    57,828.26x = 3,008,608,196.80
  5. Step 5: Solve for x
    x = 3,008,608,196.80/57,828.26
  6. Step 6: Final answer
    x = 52,026.61

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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.