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Finding the Fourth Proportional to 1,184.06, 1,633.71 and 659.96

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Solution

The fourth proportional to 1,184.06, 1,633.71 and 659.96 is: 910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.06 : 1,633.71 = 659.96 : x
  2. Step 2: Convert to fraction form
    1,184.06/1,633.71 = 659.96/x
  3. Step 3: Cross multiply
    1,184.06x = 1,633.71 × 659.96
  4. Step 4: Simplify right side
    1,184.06x = 1,078,183.25
  5. Step 5: Solve for x
    x = 1,078,183.25/1,184.06
  6. Step 6: Final answer
    x = 910.58

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Why These Related Problems?

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