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Finding the Fourth Proportional to 1,335.44, 1,842.92 and 737.96

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Solution

The fourth proportional to 1,335.44, 1,842.92 and 737.96 is: 1,018.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.44 : 1,842.92 = 737.96 : x
  2. Step 2: Convert to fraction form
    1,335.44/1,842.92 = 737.96/x
  3. Step 3: Cross multiply
    1,335.44x = 1,842.92 × 737.96
  4. Step 4: Simplify right side
    1,335.44x = 1,360,001.24
  5. Step 5: Solve for x
    x = 1,360,001.24/1,335.44
  6. Step 6: Final answer
    x = 1,018.39

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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.