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Finding the Fourth Proportional to 2,149.04, 2,965.74 and 1,204.86

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Solution

The fourth proportional to 2,149.04, 2,965.74 and 1,204.86 is: 1,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.04 : 2,965.74 = 1,204.86 : x
  2. Step 2: Convert to fraction form
    2,149.04/2,965.74 = 1,204.86/x
  3. Step 3: Cross multiply
    2,149.04x = 2,965.74 × 1,204.86
  4. Step 4: Simplify right side
    2,149.04x = 3,573,301.50
  5. Step 5: Solve for x
    x = 3,573,301.50/2,149.04
  6. Step 6: Final answer
    x = 1,662.74

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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.