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Finding the Fourth Proportional to 2,523.93, 3,786.40 and 880.03

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Solution

The fourth proportional to 2,523.93, 3,786.40 and 880.03 is: 1,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.93 : 3,786.40 = 880.03 : x
  2. Step 2: Convert to fraction form
    2,523.93/3,786.40 = 880.03/x
  3. Step 3: Cross multiply
    2,523.93x = 3,786.40 × 880.03
  4. Step 4: Simplify right side
    2,523.93x = 3,332,141.19
  5. Step 5: Solve for x
    x = 3,332,141.19/2,523.93
  6. Step 6: Final answer
    x = 1,320.22

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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.