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Finding the Fourth Proportional to 57,897.39, 79,936.28 and 44,538.46

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Solution

The fourth proportional to 57,897.39, 79,936.28 and 44,538.46 is: 61,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,897.39 : 79,936.28 = 44,538.46 : x
  2. Step 2: Convert to fraction form
    57,897.39/79,936.28 = 44,538.46/x
  3. Step 3: Cross multiply
    57,897.39x = 79,936.28 × 44,538.46
  4. Step 4: Simplify right side
    57,897.39x = 3,560,238,809.33
  5. Step 5: Solve for x
    x = 3,560,238,809.33/57,897.39
  6. Step 6: Final answer
    x = 61,492.22

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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.