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Finding the Fourth Proportional to 3,962.04, 5,461.20 and 3,519.24

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Solution

The fourth proportional to 3,962.04, 5,461.20 and 3,519.24 is: 4,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.04 : 5,461.20 = 3,519.24 : x
  2. Step 2: Convert to fraction form
    3,962.04/5,461.20 = 3,519.24/x
  3. Step 3: Cross multiply
    3,962.04x = 5,461.20 × 3,519.24
  4. Step 4: Simplify right side
    3,962.04x = 19,219,273.49
  5. Step 5: Solve for x
    x = 19,219,273.49/3,962.04
  6. Step 6: Final answer
    x = 4,850.85

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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.