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Finding the Fourth Proportional to 5,057.94, 7,582.11 and 1,768.89

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Solution

The fourth proportional to 5,057.94, 7,582.11 and 1,768.89 is: 2,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.94 : 7,582.11 = 1,768.89 : x
  2. Step 2: Convert to fraction form
    5,057.94/7,582.11 = 1,768.89/x
  3. Step 3: Cross multiply
    5,057.94x = 7,582.11 × 1,768.89
  4. Step 4: Simplify right side
    5,057.94x = 13,411,918.56
  5. Step 5: Solve for x
    x = 13,411,918.56/5,057.94
  6. Step 6: Final answer
    x = 2,651.66

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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.