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Finding the Fourth Proportional to 962.94, 1,445.04 and 746.94

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Solution

The fourth proportional to 962.94, 1,445.04 and 746.94 is: 1,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.94 : 1,445.04 = 746.94 : x
  2. Step 2: Convert to fraction form
    962.94/1,445.04 = 746.94/x
  3. Step 3: Cross multiply
    962.94x = 1,445.04 × 746.94
  4. Step 4: Simplify right side
    962.94x = 1,079,358.18
  5. Step 5: Solve for x
    x = 1,079,358.18/962.94
  6. Step 6: Final answer
    x = 1,120.90

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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.