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Finding the Fourth Proportional to 52,408.32, 72,367.02 and 48,609.44

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Solution

The fourth proportional to 52,408.32, 72,367.02 and 48,609.44 is: 67,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,408.32 : 72,367.02 = 48,609.44 : x
  2. Step 2: Convert to fraction form
    52,408.32/72,367.02 = 48,609.44/x
  3. Step 3: Cross multiply
    52,408.32x = 72,367.02 × 48,609.44
  4. Step 4: Simplify right side
    52,408.32x = 3,517,720,316.67
  5. Step 5: Solve for x
    x = 3,517,720,316.67/52,408.32
  6. Step 6: Final answer
    x = 67,121.41

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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.