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Finding the Fourth Proportional to 1,193.91, 1,647.14 and 795.76

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Solution

The fourth proportional to 1,193.91, 1,647.14 and 795.76 is: 1,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.91 : 1,647.14 = 795.76 : x
  2. Step 2: Convert to fraction form
    1,193.91/1,647.14 = 795.76/x
  3. Step 3: Cross multiply
    1,193.91x = 1,647.14 × 795.76
  4. Step 4: Simplify right side
    1,193.91x = 1,310,720.03
  5. Step 5: Solve for x
    x = 1,310,720.03/1,193.91
  6. Step 6: Final answer
    x = 1,097.84

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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.