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Finding the Fourth Proportional to 5,829.77, 8,745.40 and 2,133.74

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Solution

The fourth proportional to 5,829.77, 8,745.40 and 2,133.74 is: 3,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.77 : 8,745.40 = 2,133.74 : x
  2. Step 2: Convert to fraction form
    5,829.77/8,745.40 = 2,133.74/x
  3. Step 3: Cross multiply
    5,829.77x = 8,745.40 × 2,133.74
  4. Step 4: Simplify right side
    5,829.77x = 18,660,434.33
  5. Step 5: Solve for x
    x = 18,660,434.33/5,829.77
  6. Step 6: Final answer
    x = 3,200.89

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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.