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Finding the Fourth Proportional to 1,734, 2,392.92 and 1,145.52

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Solution

The fourth proportional to 1,734, 2,392.92 and 1,145.52 is: 1,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734 : 2,392.92 = 1,145.52 : x
  2. Step 2: Convert to fraction form
    1,734/2,392.92 = 1,145.52/x
  3. Step 3: Cross multiply
    1,734x = 2,392.92 × 1,145.52
  4. Step 4: Simplify right side
    1,734x = 2,741,137.72
  5. Step 5: Solve for x
    x = 2,741,137.72/1,734
  6. Step 6: Final answer
    x = 1,580.82

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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.