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Finding the Fourth Proportional to 3,191.82, 4,404.81 and 1,756.11

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Solution

The fourth proportional to 3,191.82, 4,404.81 and 1,756.11 is: 2,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.82 : 4,404.81 = 1,756.11 : x
  2. Step 2: Convert to fraction form
    3,191.82/4,404.81 = 1,756.11/x
  3. Step 3: Cross multiply
    3,191.82x = 4,404.81 × 1,756.11
  4. Step 4: Simplify right side
    3,191.82x = 7,735,330.89
  5. Step 5: Solve for x
    x = 7,735,330.89/3,191.82
  6. Step 6: Final answer
    x = 2,423.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.