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Finding the Fourth Proportional to 1,758, 2,424.96 and 1,168.32

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Solution

The fourth proportional to 1,758, 2,424.96 and 1,168.32 is: 1,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758 : 2,424.96 = 1,168.32 : x
  2. Step 2: Convert to fraction form
    1,758/2,424.96 = 1,168.32/x
  3. Step 3: Cross multiply
    1,758x = 2,424.96 × 1,168.32
  4. Step 4: Simplify right side
    1,758x = 2,833,129.27
  5. Step 5: Solve for x
    x = 2,833,129.27/1,758
  6. Step 6: Final answer
    x = 1,611.56

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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.