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Finding the Fourth Proportional to 735.18, 1,103.04 and 702.24

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Solution

The fourth proportional to 735.18, 1,103.04 and 702.24 is: 1,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.18 : 1,103.04 = 702.24 : x
  2. Step 2: Convert to fraction form
    735.18/1,103.04 = 702.24/x
  3. Step 3: Cross multiply
    735.18x = 1,103.04 × 702.24
  4. Step 4: Simplify right side
    735.18x = 774,598.81
  5. Step 5: Solve for x
    x = 774,598.81/735.18
  6. Step 6: Final answer
    x = 1,053.62

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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.