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Finding the Fourth Proportional to 735.12, 1,014.84 and 694.92

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Solution

The fourth proportional to 735.12, 1,014.84 and 694.92 is: 959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.12 : 1,014.84 = 694.92 : x
  2. Step 2: Convert to fraction form
    735.12/1,014.84 = 694.92/x
  3. Step 3: Cross multiply
    735.12x = 1,014.84 × 694.92
  4. Step 4: Simplify right side
    735.12x = 705,232.61
  5. Step 5: Solve for x
    x = 705,232.61/735.12
  6. Step 6: Final answer
    x = 959.34

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1.5x scale

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.