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Finding the Fourth Proportional to 2,633.38, 3,945.75 and 901.06

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Solution

The fourth proportional to 2,633.38, 3,945.75 and 901.06 is: 1,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.38 : 3,945.75 = 901.06 : x
  2. Step 2: Convert to fraction form
    2,633.38/3,945.75 = 901.06/x
  3. Step 3: Cross multiply
    2,633.38x = 3,945.75 × 901.06
  4. Step 4: Simplify right side
    2,633.38x = 3,555,357.50
  5. Step 5: Solve for x
    x = 3,555,357.50/2,633.38
  6. Step 6: Final answer
    x = 1,350.11

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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.