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Finding the Fourth Proportional to 1,753.30, 2,419.74 and 967.36

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Solution

The fourth proportional to 1,753.30, 2,419.74 and 967.36 is: 1,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.30 : 2,419.74 = 967.36 : x
  2. Step 2: Convert to fraction form
    1,753.30/2,419.74 = 967.36/x
  3. Step 3: Cross multiply
    1,753.30x = 2,419.74 × 967.36
  4. Step 4: Simplify right side
    1,753.30x = 2,340,759.69
  5. Step 5: Solve for x
    x = 2,340,759.69/1,753.30
  6. Step 6: Final answer
    x = 1,335.06

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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.