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Finding the Fourth Proportional to 5,539.92, 8,255.88 and 5,379.99

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Solution

The fourth proportional to 5,539.92, 8,255.88 and 5,379.99 is: 8,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.92 : 8,255.88 = 5,379.99 : x
  2. Step 2: Convert to fraction form
    5,539.92/8,255.88 = 5,379.99/x
  3. Step 3: Cross multiply
    5,539.92x = 8,255.88 × 5,379.99
  4. Step 4: Simplify right side
    5,539.92x = 44,416,551.84
  5. Step 5: Solve for x
    x = 44,416,551.84/5,539.92
  6. Step 6: Final answer
    x = 8,017.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.