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Finding the Fourth Proportional to 16,885.14, 25,300.04 and 5,785.85

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Solution

The fourth proportional to 16,885.14, 25,300.04 and 5,785.85 is: 8,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.14 : 25,300.04 = 5,785.85 : x
  2. Step 2: Convert to fraction form
    16,885.14/25,300.04 = 5,785.85/x
  3. Step 3: Cross multiply
    16,885.14x = 25,300.04 × 5,785.85
  4. Step 4: Simplify right side
    16,885.14x = 146,382,081.00
  5. Step 5: Solve for x
    x = 146,382,081.00/16,885.14
  6. Step 6: Final answer
    x = 8,669.28

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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.