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Finding the Fourth Proportional to 57,894.86, 79,903.50 and 36,676.10

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Solution

The fourth proportional to 57,894.86, 79,903.50 and 36,676.10 is: 50,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,894.86 : 79,903.50 = 36,676.10 : x
  2. Step 2: Convert to fraction form
    57,894.86/79,903.50 = 36,676.10/x
  3. Step 3: Cross multiply
    57,894.86x = 79,903.50 × 36,676.10
  4. Step 4: Simplify right side
    57,894.86x = 2,930,548,756.35
  5. Step 5: Solve for x
    x = 2,930,548,756.35/57,894.86
  6. Step 6: Final answer
    x = 50,618.46

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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.