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Finding the Fourth Proportional to 5,827.83, 8,745.08 and 2,129.56

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Solution

The fourth proportional to 5,827.83, 8,745.08 and 2,129.56 is: 3,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.83 : 8,745.08 = 2,129.56 : x
  2. Step 2: Convert to fraction form
    5,827.83/8,745.08 = 2,129.56/x
  3. Step 3: Cross multiply
    5,827.83x = 8,745.08 × 2,129.56
  4. Step 4: Simplify right side
    5,827.83x = 18,623,172.56
  5. Step 5: Solve for x
    x = 18,623,172.56/5,827.83
  6. Step 6: Final answer
    x = 3,195.56

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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.