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Finding the Fourth Proportional to 735.06, 1,102.59 and 725.95

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Solution

The fourth proportional to 735.06, 1,102.59 and 725.95 is: 1,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.06 : 1,102.59 = 725.95 : x
  2. Step 2: Convert to fraction form
    735.06/1,102.59 = 725.95/x
  3. Step 3: Cross multiply
    735.06x = 1,102.59 × 725.95
  4. Step 4: Simplify right side
    735.06x = 800,425.21
  5. Step 5: Solve for x
    x = 800,425.21/735.06
  6. Step 6: Final answer
    x = 1,088.93

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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.