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Finding the Fourth Proportional to 5,540.67, 7,645.95 and 3,182.67

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Solution

The fourth proportional to 5,540.67, 7,645.95 and 3,182.67 is: 4,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.67 : 7,645.95 = 3,182.67 : x
  2. Step 2: Convert to fraction form
    5,540.67/7,645.95 = 3,182.67/x
  3. Step 3: Cross multiply
    5,540.67x = 7,645.95 × 3,182.67
  4. Step 4: Simplify right side
    5,540.67x = 24,334,535.69
  5. Step 5: Solve for x
    x = 24,334,535.69/5,540.67
  6. Step 6: Final answer
    x = 4,391.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.