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Finding the Fourth Proportional to 962.06, 1,328.19 and 737.57

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Solution

The fourth proportional to 962.06, 1,328.19 and 737.57 is: 1,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.06 : 1,328.19 = 737.57 : x
  2. Step 2: Convert to fraction form
    962.06/1,328.19 = 737.57/x
  3. Step 3: Cross multiply
    962.06x = 1,328.19 × 737.57
  4. Step 4: Simplify right side
    962.06x = 979,633.65
  5. Step 5: Solve for x
    x = 979,633.65/962.06
  6. Step 6: Final answer
    x = 1,018.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.