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Finding the Fourth Proportional to 2,992.39, 4,129.03 and 1,733.50

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Solution

The fourth proportional to 2,992.39, 4,129.03 and 1,733.50 is: 2,391.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.39 : 4,129.03 = 1,733.50 : x
  2. Step 2: Convert to fraction form
    2,992.39/4,129.03 = 1,733.50/x
  3. Step 3: Cross multiply
    2,992.39x = 4,129.03 × 1,733.50
  4. Step 4: Simplify right side
    2,992.39x = 7,157,671.08
  5. Step 5: Solve for x
    x = 7,157,671.08/2,992.39
  6. Step 6: Final answer
    x = 2,391.96

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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.