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Finding the Fourth Proportional to 17,199.70, 25,803.15 and 5,514.10

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Solution

The fourth proportional to 17,199.70, 25,803.15 and 5,514.10 is: 8,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199.70 : 25,803.15 = 5,514.10 : x
  2. Step 2: Convert to fraction form
    17,199.70/25,803.15 = 5,514.10/x
  3. Step 3: Cross multiply
    17,199.70x = 25,803.15 × 5,514.10
  4. Step 4: Simplify right side
    17,199.70x = 142,281,149.42
  5. Step 5: Solve for x
    x = 142,281,149.42/17,199.70
  6. Step 6: Final answer
    x = 8,272.30

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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.