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Finding the Fourth Proportional to 16,691.10, 25,035.03 and 4,379.10

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Solution

The fourth proportional to 16,691.10, 25,035.03 and 4,379.10 is: 6,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.10 : 25,035.03 = 4,379.10 : x
  2. Step 2: Convert to fraction form
    16,691.10/25,035.03 = 4,379.10/x
  3. Step 3: Cross multiply
    16,691.10x = 25,035.03 × 4,379.10
  4. Step 4: Simplify right side
    16,691.10x = 109,630,899.87
  5. Step 5: Solve for x
    x = 109,630,899.87/16,691.10
  6. Step 6: Final answer
    x = 6,568.22

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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.