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Finding the Fourth Proportional to 1,887.00, 2,604.71 and 1,169.72

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Solution

The fourth proportional to 1,887.00, 2,604.71 and 1,169.72 is: 1,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.00 : 2,604.71 = 1,169.72 : x
  2. Step 2: Convert to fraction form
    1,887.00/2,604.71 = 1,169.72/x
  3. Step 3: Cross multiply
    1,887.00x = 2,604.71 × 1,169.72
  4. Step 4: Simplify right side
    1,887.00x = 3,046,789.12
  5. Step 5: Solve for x
    x = 3,046,789.12/1,887.00
  6. Step 6: Final answer
    x = 1,614.62

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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.