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Finding the Fourth Proportional to 32,620.22, 48,930.38 and 7,996.22

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Solution

The fourth proportional to 32,620.22, 48,930.38 and 7,996.22 is: 11,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,620.22 : 48,930.38 = 7,996.22 : x
  2. Step 2: Convert to fraction form
    32,620.22/48,930.38 = 7,996.22/x
  3. Step 3: Cross multiply
    32,620.22x = 48,930.38 × 7,996.22
  4. Step 4: Simplify right side
    32,620.22x = 391,258,012.01
  5. Step 5: Solve for x
    x = 391,258,012.01/32,620.22
  6. Step 6: Final answer
    x = 11,994.34

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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.