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Finding the Fourth Proportional to 16,914.57, 25,368.89 and 5,227.89

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Solution

The fourth proportional to 16,914.57, 25,368.89 and 5,227.89 is: 7,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,914.57 : 25,368.89 = 5,227.89 : x
  2. Step 2: Convert to fraction form
    16,914.57/25,368.89 = 5,227.89/x
  3. Step 3: Cross multiply
    16,914.57x = 25,368.89 × 5,227.89
  4. Step 4: Simplify right side
    16,914.57x = 132,625,740.20
  5. Step 5: Solve for x
    x = 132,625,740.20/16,914.57
  6. Step 6: Final answer
    x = 7,840.92

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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.