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Finding the Fourth Proportional to 942.52, 1,299.90 and 735.16

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Solution

The fourth proportional to 942.52, 1,299.90 and 735.16 is: 1,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.52 : 1,299.90 = 735.16 : x
  2. Step 2: Convert to fraction form
    942.52/1,299.90 = 735.16/x
  3. Step 3: Cross multiply
    942.52x = 1,299.90 × 735.16
  4. Step 4: Simplify right side
    942.52x = 955,634.48
  5. Step 5: Solve for x
    x = 955,634.48/942.52
  6. Step 6: Final answer
    x = 1,013.91

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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.