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Finding the Fourth Proportional to 2,651.88, 3,659.76 and 1,533.03

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Solution

The fourth proportional to 2,651.88, 3,659.76 and 1,533.03 is: 2,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.88 : 3,659.76 = 1,533.03 : x
  2. Step 2: Convert to fraction form
    2,651.88/3,659.76 = 1,533.03/x
  3. Step 3: Cross multiply
    2,651.88x = 3,659.76 × 1,533.03
  4. Step 4: Simplify right side
    2,651.88x = 5,610,521.87
  5. Step 5: Solve for x
    x = 5,610,521.87/2,651.88
  6. Step 6: Final answer
    x = 2,115.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.