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Finding the Fourth Proportional to 57,684.70, 79,610.46 and 35,018.44

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Solution

The fourth proportional to 57,684.70, 79,610.46 and 35,018.44 is: 48,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,684.70 : 79,610.46 = 35,018.44 : x
  2. Step 2: Convert to fraction form
    57,684.70/79,610.46 = 35,018.44/x
  3. Step 3: Cross multiply
    57,684.70x = 79,610.46 × 35,018.44
  4. Step 4: Simplify right side
    57,684.70x = 2,787,834,116.88
  5. Step 5: Solve for x
    x = 2,787,834,116.88/57,684.70
  6. Step 6: Final answer
    x = 48,328.83

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1.5x scale

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.