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Finding the Fourth Proportional to 2,040.38, 3,062.11 and 945.51

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Solution

The fourth proportional to 2,040.38, 3,062.11 and 945.51 is: 1,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.38 : 3,062.11 = 945.51 : x
  2. Step 2: Convert to fraction form
    2,040.38/3,062.11 = 945.51/x
  3. Step 3: Cross multiply
    2,040.38x = 3,062.11 × 945.51
  4. Step 4: Simplify right side
    2,040.38x = 2,895,250.90
  5. Step 5: Solve for x
    x = 2,895,250.90/2,040.38
  6. Step 6: Final answer
    x = 1,418.98

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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.