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Finding the Fourth Proportional to 1,043.97, 1,558.34 and 967.83

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Solution

The fourth proportional to 1,043.97, 1,558.34 and 967.83 is: 1,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.97 : 1,558.34 = 967.83 : x
  2. Step 2: Convert to fraction form
    1,043.97/1,558.34 = 967.83/x
  3. Step 3: Cross multiply
    1,043.97x = 1,558.34 × 967.83
  4. Step 4: Simplify right side
    1,043.97x = 1,508,203.36
  5. Step 5: Solve for x
    x = 1,508,203.36/1,043.97
  6. Step 6: Final answer
    x = 1,444.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.