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Finding the Fourth Proportional to 18,482.63, 27,720.50 and 6,002.78

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Solution

The fourth proportional to 18,482.63, 27,720.50 and 6,002.78 is: 9,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.63 : 27,720.50 = 6,002.78 : x
  2. Step 2: Convert to fraction form
    18,482.63/27,720.50 = 6,002.78/x
  3. Step 3: Cross multiply
    18,482.63x = 27,720.50 × 6,002.78
  4. Step 4: Simplify right side
    18,482.63x = 166,399,894.37
  5. Step 5: Solve for x
    x = 166,399,894.37/18,482.63
  6. Step 6: Final answer
    x = 9,003.04

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