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Finding the Fourth Proportional to 1,753.31, 2,419.64 and 967.41

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Solution

The fourth proportional to 1,753.31, 2,419.64 and 967.41 is: 1,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.31 : 2,419.64 = 967.41 : x
  2. Step 2: Convert to fraction form
    1,753.31/2,419.64 = 967.41/x
  3. Step 3: Cross multiply
    1,753.31x = 2,419.64 × 967.41
  4. Step 4: Simplify right side
    1,753.31x = 2,340,782.72
  5. Step 5: Solve for x
    x = 2,340,782.72/1,753.31
  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.