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Finding the Fourth Proportional to 1,753.19, 2,419.44 and 967.31

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Solution

The fourth proportional to 1,753.19, 2,419.44 and 967.31 is: 1,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.19 : 2,419.44 = 967.31 : x
  2. Step 2: Convert to fraction form
    1,753.19/2,419.44 = 967.31/x
  3. Step 3: Cross multiply
    1,753.19x = 2,419.44 × 967.31
  4. Step 4: Simplify right side
    1,753.19x = 2,340,348.51
  5. Step 5: Solve for x
    x = 2,340,348.51/1,753.19
  6. Step 6: Final answer
    x = 1,334.91

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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.