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Finding the Fourth Proportional to 2,502.44, 3,754.25 and 859.01

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Solution

The fourth proportional to 2,502.44, 3,754.25 and 859.01 is: 1,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.44 : 3,754.25 = 859.01 : x
  2. Step 2: Convert to fraction form
    2,502.44/3,754.25 = 859.01/x
  3. Step 3: Cross multiply
    2,502.44x = 3,754.25 × 859.01
  4. Step 4: Simplify right side
    2,502.44x = 3,224,918.45
  5. Step 5: Solve for x
    x = 3,224,918.45/2,502.44
  6. Step 6: Final answer
    x = 1,288.71

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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.