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Finding the Fourth Proportional to 1,026, 1,536.44 and 801.56

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Solution

The fourth proportional to 1,026, 1,536.44 and 801.56 is: 1,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026 : 1,536.44 = 801.56 : x
  2. Step 2: Convert to fraction form
    1,026/1,536.44 = 801.56/x
  3. Step 3: Cross multiply
    1,026x = 1,536.44 × 801.56
  4. Step 4: Simplify right side
    1,026x = 1,231,548.68
  5. Step 5: Solve for x
    x = 1,231,548.68/1,026
  6. Step 6: Final answer
    x = 1,200.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.