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Finding the Fourth Proportional to 32,638.93, 48,949.54 and 8,940.76

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Solution

The fourth proportional to 32,638.93, 48,949.54 and 8,940.76 is: 13,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,638.93 : 48,949.54 = 8,940.76 : x
  2. Step 2: Convert to fraction form
    32,638.93/48,949.54 = 8,940.76/x
  3. Step 3: Cross multiply
    32,638.93x = 48,949.54 × 8,940.76
  4. Step 4: Simplify right side
    32,638.93x = 437,645,944.52
  5. Step 5: Solve for x
    x = 437,645,944.52/32,638.93
  6. Step 6: Final answer
    x = 13,408.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.