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Finding the Fourth Proportional to 5,609.14, 8,418.93 and 2,837.77

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Solution

The fourth proportional to 5,609.14, 8,418.93 and 2,837.77 is: 4,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.14 : 8,418.93 = 2,837.77 : x
  2. Step 2: Convert to fraction form
    5,609.14/8,418.93 = 2,837.77/x
  3. Step 3: Cross multiply
    5,609.14x = 8,418.93 × 2,837.77
  4. Step 4: Simplify right side
    5,609.14x = 23,890,986.99
  5. Step 5: Solve for x
    x = 23,890,986.99/5,609.14
  6. Step 6: Final answer
    x = 4,259.30

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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.