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Finding the Fourth Proportional to 1,267.98, 1,748.67 and 795.92

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Solution

The fourth proportional to 1,267.98, 1,748.67 and 795.92 is: 1,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267.98 : 1,748.67 = 795.92 : x
  2. Step 2: Convert to fraction form
    1,267.98/1,748.67 = 795.92/x
  3. Step 3: Cross multiply
    1,267.98x = 1,748.67 × 795.92
  4. Step 4: Simplify right side
    1,267.98x = 1,391,799.24
  5. Step 5: Solve for x
    x = 1,391,799.24/1,267.98
  6. Step 6: Final answer
    x = 1,097.65

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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.