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Finding the Fourth Proportional to 1,742.94, 2,615.22 and 1,093.32

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Solution

The fourth proportional to 1,742.94, 2,615.22 and 1,093.32 is: 1,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.94 : 2,615.22 = 1,093.32 : x
  2. Step 2: Convert to fraction form
    1,742.94/2,615.22 = 1,093.32/x
  3. Step 3: Cross multiply
    1,742.94x = 2,615.22 × 1,093.32
  4. Step 4: Simplify right side
    1,742.94x = 2,859,272.33
  5. Step 5: Solve for x
    x = 2,859,272.33/1,742.94
  6. Step 6: Final answer
    x = 1,640.49

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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.