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Finding the Fourth Proportional to 1,462.21, 2,017.67 and 832.73

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Solution

The fourth proportional to 1,462.21, 2,017.67 and 832.73 is: 1,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.21 : 2,017.67 = 832.73 : x
  2. Step 2: Convert to fraction form
    1,462.21/2,017.67 = 832.73/x
  3. Step 3: Cross multiply
    1,462.21x = 2,017.67 × 832.73
  4. Step 4: Simplify right side
    1,462.21x = 1,680,178.78
  5. Step 5: Solve for x
    x = 1,680,178.78/1,462.21
  6. Step 6: Final answer
    x = 1,149.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.