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Finding the Fourth Proportional to 4,361.20, 6,542.20 and 1,763.60

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Solution

The fourth proportional to 4,361.20, 6,542.20 and 1,763.60 is: 2,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,361.20 : 6,542.20 = 1,763.60 : x
  2. Step 2: Convert to fraction form
    4,361.20/6,542.20 = 1,763.60/x
  3. Step 3: Cross multiply
    4,361.20x = 6,542.20 × 1,763.60
  4. Step 4: Simplify right side
    4,361.20x = 11,537,823.92
  5. Step 5: Solve for x
    x = 11,537,823.92/4,361.20
  6. Step 6: Final answer
    x = 2,645.56

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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.