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Finding the Fourth Proportional to 2,972.02, 4,458.03 and 892.24

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Solution

The fourth proportional to 2,972.02, 4,458.03 and 892.24 is: 1,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.02 : 4,458.03 = 892.24 : x
  2. Step 2: Convert to fraction form
    2,972.02/4,458.03 = 892.24/x
  3. Step 3: Cross multiply
    2,972.02x = 4,458.03 × 892.24
  4. Step 4: Simplify right side
    2,972.02x = 3,977,632.69
  5. Step 5: Solve for x
    x = 3,977,632.69/2,972.02
  6. Step 6: Final answer
    x = 1,338.36

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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.