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Finding the Fourth Proportional to 5,805.99, 8,700.48 and 3,608.04

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Solution

The fourth proportional to 5,805.99, 8,700.48 and 3,608.04 is: 5,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.99 : 8,700.48 = 3,608.04 : x
  2. Step 2: Convert to fraction form
    5,805.99/8,700.48 = 3,608.04/x
  3. Step 3: Cross multiply
    5,805.99x = 8,700.48 × 3,608.04
  4. Step 4: Simplify right side
    5,805.99x = 31,391,679.86
  5. Step 5: Solve for x
    x = 31,391,679.86/5,805.99
  6. Step 6: Final answer
    x = 5,406.77

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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.