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Finding the Fourth Proportional to 962.15, 1,440.79 and 595.82

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Solution

The fourth proportional to 962.15, 1,440.79 and 595.82 is: 892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.15 : 1,440.79 = 595.82 : x
  2. Step 2: Convert to fraction form
    962.15/1,440.79 = 595.82/x
  3. Step 3: Cross multiply
    962.15x = 1,440.79 × 595.82
  4. Step 4: Simplify right side
    962.15x = 858,453.61
  5. Step 5: Solve for x
    x = 858,453.61/962.15
  6. Step 6: Final answer
    x = 892.23

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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.