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Finding the Fourth Proportional to 1,932.85, 2,667.17 and 1,093.63

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Solution

The fourth proportional to 1,932.85, 2,667.17 and 1,093.63 is: 1,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.85 : 2,667.17 = 1,093.63 : x
  2. Step 2: Convert to fraction form
    1,932.85/2,667.17 = 1,093.63/x
  3. Step 3: Cross multiply
    1,932.85x = 2,667.17 × 1,093.63
  4. Step 4: Simplify right side
    1,932.85x = 2,916,897.13
  5. Step 5: Solve for x
    x = 2,916,897.13/1,932.85
  6. Step 6: Final answer
    x = 1,509.12

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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.