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Finding the Fourth Proportional to 18,400.48, 27,607.12 and 8,013.04

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Solution

The fourth proportional to 18,400.48, 27,607.12 and 8,013.04 is: 12,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.48 : 27,607.12 = 8,013.04 : x
  2. Step 2: Convert to fraction form
    18,400.48/27,607.12 = 8,013.04/x
  3. Step 3: Cross multiply
    18,400.48x = 27,607.12 × 8,013.04
  4. Step 4: Simplify right side
    18,400.48x = 221,216,956.84
  5. Step 5: Solve for x
    x = 221,216,956.84/18,400.48
  6. Step 6: Final answer
    x = 12,022.35

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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.