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Finding the Fourth Proportional to 5,813.96, 8,716.54 and 2,999.78

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Solution

The fourth proportional to 5,813.96, 8,716.54 and 2,999.78 is: 4,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.96 : 8,716.54 = 2,999.78 : x
  2. Step 2: Convert to fraction form
    5,813.96/8,716.54 = 2,999.78/x
  3. Step 3: Cross multiply
    5,813.96x = 8,716.54 × 2,999.78
  4. Step 4: Simplify right side
    5,813.96x = 26,147,658.78
  5. Step 5: Solve for x
    x = 26,147,658.78/5,813.96
  6. Step 6: Final answer
    x = 4,497.40

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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.