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Finding the Fourth Proportional to 1,350.32, 2,025.56 and 734.32

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Solution

The fourth proportional to 1,350.32, 2,025.56 and 734.32 is: 1,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.32 : 2,025.56 = 734.32 : x
  2. Step 2: Convert to fraction form
    1,350.32/2,025.56 = 734.32/x
  3. Step 3: Cross multiply
    1,350.32x = 2,025.56 × 734.32
  4. Step 4: Simplify right side
    1,350.32x = 1,487,409.22
  5. Step 5: Solve for x
    x = 1,487,409.22/1,350.32
  6. Step 6: Final answer
    x = 1,101.52

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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.