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Finding the Fourth Proportional to 36,873.18, 50,885.10 and 20,106.18

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Solution

The fourth proportional to 36,873.18, 50,885.10 and 20,106.18 is: 27,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,873.18 : 50,885.10 = 20,106.18 : x
  2. Step 2: Convert to fraction form
    36,873.18/50,885.10 = 20,106.18/x
  3. Step 3: Cross multiply
    36,873.18x = 50,885.10 × 20,106.18
  4. Step 4: Simplify right side
    36,873.18x = 1,023,104,979.92
  5. Step 5: Solve for x
    x = 1,023,104,979.92/36,873.18
  6. Step 6: Final answer
    x = 27,746.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.