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Finding the Fourth Proportional to 1,753.62, 2,419.97 and 967.67

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Solution

The fourth proportional to 1,753.62, 2,419.97 and 967.67 is: 1,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.62 : 2,419.97 = 967.67 : x
  2. Step 2: Convert to fraction form
    1,753.62/2,419.97 = 967.67/x
  3. Step 3: Cross multiply
    1,753.62x = 2,419.97 × 967.67
  4. Step 4: Simplify right side
    1,753.62x = 2,341,732.37
  5. Step 5: Solve for x
    x = 2,341,732.37/1,753.62
  6. Step 6: Final answer
    x = 1,335.37

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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.