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Finding the Fourth Proportional to 3,576.90, 4,935.90 and 2,004.82

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Solution

The fourth proportional to 3,576.90, 4,935.90 and 2,004.82 is: 2,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.90 : 4,935.90 = 2,004.82 : x
  2. Step 2: Convert to fraction form
    3,576.90/4,935.90 = 2,004.82/x
  3. Step 3: Cross multiply
    3,576.90x = 4,935.90 × 2,004.82
  4. Step 4: Simplify right side
    3,576.90x = 9,895,591.04
  5. Step 5: Solve for x
    x = 9,895,591.04/3,576.90
  6. Step 6: Final answer
    x = 2,766.53

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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.