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Finding the Fourth Proportional to 3,576.01, 5,365.53 and 1,930.64

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Solution

The fourth proportional to 3,576.01, 5,365.53 and 1,930.64 is: 2,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.01 : 5,365.53 = 1,930.64 : x
  2. Step 2: Convert to fraction form
    3,576.01/5,365.53 = 1,930.64/x
  3. Step 3: Cross multiply
    3,576.01x = 5,365.53 × 1,930.64
  4. Step 4: Simplify right side
    3,576.01x = 10,358,906.84
  5. Step 5: Solve for x
    x = 10,358,906.84/3,576.01
  6. Step 6: Final answer
    x = 2,896.78

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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.