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Finding the Fourth Proportional to 1,157.94, 1,733.49 and 1,013.94

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Solution

The fourth proportional to 1,157.94, 1,733.49 and 1,013.94 is: 1,517.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.94 : 1,733.49 = 1,013.94 : x
  2. Step 2: Convert to fraction form
    1,157.94/1,733.49 = 1,013.94/x
  3. Step 3: Cross multiply
    1,157.94x = 1,733.49 × 1,013.94
  4. Step 4: Simplify right side
    1,157.94x = 1,757,654.85
  5. Step 5: Solve for x
    x = 1,757,654.85/1,157.94
  6. Step 6: Final answer
    x = 1,517.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.