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Finding the Fourth Proportional to 1,065.27, 1,596.36 and 735.87

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Solution

The fourth proportional to 1,065.27, 1,596.36 and 735.87 is: 1,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.27 : 1,596.36 = 735.87 : x
  2. Step 2: Convert to fraction form
    1,065.27/1,596.36 = 735.87/x
  3. Step 3: Cross multiply
    1,065.27x = 1,596.36 × 735.87
  4. Step 4: Simplify right side
    1,065.27x = 1,174,713.43
  5. Step 5: Solve for x
    x = 1,174,713.43/1,065.27
  6. Step 6: Final answer
    x = 1,102.74

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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.