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Finding the Fourth Proportional to 1,516.64, 2,093.04 and 927

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Solution

The fourth proportional to 1,516.64, 2,093.04 and 927 is: 1,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.64 : 2,093.04 = 927 : x
  2. Step 2: Convert to fraction form
    1,516.64/2,093.04 = 927/x
  3. Step 3: Cross multiply
    1,516.64x = 2,093.04 × 927
  4. Step 4: Simplify right side
    1,516.64x = 1,940,248.08
  5. Step 5: Solve for x
    x = 1,940,248.08/1,516.64
  6. Step 6: Final answer
    x = 1,279.31

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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.