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Finding the Fourth Proportional to 5,551.62, 7,660.62 and 3,193.71

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Solution

The fourth proportional to 5,551.62, 7,660.62 and 3,193.71 is: 4,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.62 : 7,660.62 = 3,193.71 : x
  2. Step 2: Convert to fraction form
    5,551.62/7,660.62 = 3,193.71/x
  3. Step 3: Cross multiply
    5,551.62x = 7,660.62 × 3,193.71
  4. Step 4: Simplify right side
    5,551.62x = 24,465,798.70
  5. Step 5: Solve for x
    x = 24,465,798.70/5,551.62
  6. Step 6: Final answer
    x = 4,406.97

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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.