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Finding the Fourth Proportional to 2,655.52, 3,983.79 and 1,194.64

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Solution

The fourth proportional to 2,655.52, 3,983.79 and 1,194.64 is: 1,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.52 : 3,983.79 = 1,194.64 : x
  2. Step 2: Convert to fraction form
    2,655.52/3,983.79 = 1,194.64/x
  3. Step 3: Cross multiply
    2,655.52x = 3,983.79 × 1,194.64
  4. Step 4: Simplify right side
    2,655.52x = 4,759,194.89
  5. Step 5: Solve for x
    x = 4,759,194.89/2,655.52
  6. Step 6: Final answer
    x = 1,792.19

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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.