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Finding the Fourth Proportional to 2,133.97, 3,201.27 and 673.10

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Solution

The fourth proportional to 2,133.97, 3,201.27 and 673.10 is: 1,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.97 : 3,201.27 = 673.10 : x
  2. Step 2: Convert to fraction form
    2,133.97/3,201.27 = 673.10/x
  3. Step 3: Cross multiply
    2,133.97x = 3,201.27 × 673.10
  4. Step 4: Simplify right side
    2,133.97x = 2,154,774.84
  5. Step 5: Solve for x
    x = 2,154,774.84/2,133.97
  6. Step 6: Final answer
    x = 1,009.75

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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.