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Finding the Fourth Proportional to 2,681.44, 4,022.52 and 832.68

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Solution

The fourth proportional to 2,681.44, 4,022.52 and 832.68 is: 1,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.44 : 4,022.52 = 832.68 : x
  2. Step 2: Convert to fraction form
    2,681.44/4,022.52 = 832.68/x
  3. Step 3: Cross multiply
    2,681.44x = 4,022.52 × 832.68
  4. Step 4: Simplify right side
    2,681.44x = 3,349,471.95
  5. Step 5: Solve for x
    x = 3,349,471.95/2,681.44
  6. Step 6: Final answer
    x = 1,249.13

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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.