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Finding the Fourth Proportional to 964.68, 1,447.26 and 801.96

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Solution

The fourth proportional to 964.68, 1,447.26 and 801.96 is: 1,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.68 : 1,447.26 = 801.96 : x
  2. Step 2: Convert to fraction form
    964.68/1,447.26 = 801.96/x
  3. Step 3: Cross multiply
    964.68x = 1,447.26 × 801.96
  4. Step 4: Simplify right side
    964.68x = 1,160,644.63
  5. Step 5: Solve for x
    x = 1,160,644.63/964.68
  6. Step 6: Final answer
    x = 1,203.14

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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.