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Finding the Fourth Proportional to 5,777.67, 8,667.57 and 1,829.92

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Solution

The fourth proportional to 5,777.67, 8,667.57 and 1,829.92 is: 2,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.67 : 8,667.57 = 1,829.92 : x
  2. Step 2: Convert to fraction form
    5,777.67/8,667.57 = 1,829.92/x
  3. Step 3: Cross multiply
    5,777.67x = 8,667.57 × 1,829.92
  4. Step 4: Simplify right side
    5,777.67x = 15,860,959.69
  5. Step 5: Solve for x
    x = 15,860,959.69/5,777.67
  6. Step 6: Final answer
    x = 2,745.22

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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.