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Finding the Fourth Proportional to 3,791.76, 5,688.77 and 1,944.18

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Solution

The fourth proportional to 3,791.76, 5,688.77 and 1,944.18 is: 2,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.76 : 5,688.77 = 1,944.18 : x
  2. Step 2: Convert to fraction form
    3,791.76/5,688.77 = 1,944.18/x
  3. Step 3: Cross multiply
    3,791.76x = 5,688.77 × 1,944.18
  4. Step 4: Simplify right side
    3,791.76x = 11,059,992.86
  5. Step 5: Solve for x
    x = 11,059,992.86/3,791.76
  6. Step 6: Final answer
    x = 2,916.85

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1.5x scale

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.