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Finding the Fourth Proportional to 2,651.84, 3,633.28 and 2,553.56

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Solution

The fourth proportional to 2,651.84, 3,633.28 and 2,553.56 is: 3,498.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.84 : 3,633.28 = 2,553.56 : x
  2. Step 2: Convert to fraction form
    2,651.84/3,633.28 = 2,553.56/x
  3. Step 3: Cross multiply
    2,651.84x = 3,633.28 × 2,553.56
  4. Step 4: Simplify right side
    2,651.84x = 9,277,798.48
  5. Step 5: Solve for x
    x = 9,277,798.48/2,651.84
  6. Step 6: Final answer
    x = 3,498.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.