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Finding the Fourth Proportional to 962.73, 1,443.93 and 900.46

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Solution

The fourth proportional to 962.73, 1,443.93 and 900.46 is: 1,350.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.73 : 1,443.93 = 900.46 : x
  2. Step 2: Convert to fraction form
    962.73/1,443.93 = 900.46/x
  3. Step 3: Cross multiply
    962.73x = 1,443.93 × 900.46
  4. Step 4: Simplify right side
    962.73x = 1,300,201.21
  5. Step 5: Solve for x
    x = 1,300,201.21/962.73
  6. Step 6: Final answer
    x = 1,350.54

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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.