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Finding the Fourth Proportional to 18,410.88, 27,617.04 and 8,022.72

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Solution

The fourth proportional to 18,410.88, 27,617.04 and 8,022.72 is: 12,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.88 : 27,617.04 = 8,022.72 : x
  2. Step 2: Convert to fraction form
    18,410.88/27,617.04 = 8,022.72/x
  3. Step 3: Cross multiply
    18,410.88x = 27,617.04 × 8,022.72
  4. Step 4: Simplify right side
    18,410.88x = 221,563,779.15
  5. Step 5: Solve for x
    x = 221,563,779.15/18,410.88
  6. Step 6: Final answer
    x = 12,034.39

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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.