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Finding the Fourth Proportional to 5,375.99, 8,064.48 and 2,089.32

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Solution

The fourth proportional to 5,375.99, 8,064.48 and 2,089.32 is: 3,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.99 : 8,064.48 = 2,089.32 : x
  2. Step 2: Convert to fraction form
    5,375.99/8,064.48 = 2,089.32/x
  3. Step 3: Cross multiply
    5,375.99x = 8,064.48 × 2,089.32
  4. Step 4: Simplify right side
    5,375.99x = 16,849,279.35
  5. Step 5: Solve for x
    x = 16,849,279.35/5,375.99
  6. Step 6: Final answer
    x = 3,134.18

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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.