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Finding the Fourth Proportional to 18,583.96, 27,873.88 and 5,436.44

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Solution

The fourth proportional to 18,583.96, 27,873.88 and 5,436.44 is: 8,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.96 : 27,873.88 = 5,436.44 : x
  2. Step 2: Convert to fraction form
    18,583.96/27,873.88 = 5,436.44/x
  3. Step 3: Cross multiply
    18,583.96x = 27,873.88 × 5,436.44
  4. Step 4: Simplify right side
    18,583.96x = 151,534,676.19
  5. Step 5: Solve for x
    x = 151,534,676.19/18,583.96
  6. Step 6: Final answer
    x = 8,154.06

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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.