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Finding the Fourth Proportional to 963.48, 1,444.82 and 701.85

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Solution

The fourth proportional to 963.48, 1,444.82 and 701.85 is: 1,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.48 : 1,444.82 = 701.85 : x
  2. Step 2: Convert to fraction form
    963.48/1,444.82 = 701.85/x
  3. Step 3: Cross multiply
    963.48x = 1,444.82 × 701.85
  4. Step 4: Simplify right side
    963.48x = 1,014,043.41
  5. Step 5: Solve for x
    x = 1,014,043.41/963.48
  6. Step 6: Final answer
    x = 1,052.48

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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.