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Finding the Fourth Proportional to 3,754.60, 5,633.04 and 2,661.08

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Solution

The fourth proportional to 3,754.60, 5,633.04 and 2,661.08 is: 3,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.60 : 5,633.04 = 2,661.08 : x
  2. Step 2: Convert to fraction form
    3,754.60/5,633.04 = 2,661.08/x
  3. Step 3: Cross multiply
    3,754.60x = 5,633.04 × 2,661.08
  4. Step 4: Simplify right side
    3,754.60x = 14,989,970.08
  5. Step 5: Solve for x
    x = 14,989,970.08/3,754.60
  6. Step 6: Final answer
    x = 3,992.43

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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.