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Finding the Fourth Proportional to 3,699.99, 5,549.99 and 3,450.85

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Solution

The fourth proportional to 3,699.99, 5,549.99 and 3,450.85 is: 5,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.99 : 5,549.99 = 3,450.85 : x
  2. Step 2: Convert to fraction form
    3,699.99/5,549.99 = 3,450.85/x
  3. Step 3: Cross multiply
    3,699.99x = 5,549.99 × 3,450.85
  4. Step 4: Simplify right side
    3,699.99x = 19,152,151.86
  5. Step 5: Solve for x
    x = 19,152,151.86/3,699.99
  6. Step 6: Final answer
    x = 5,176.27

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1.5x scale

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.