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Finding the Fourth Proportional to 2,527.86, 3,791.05 and 967.74

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Solution

The fourth proportional to 2,527.86, 3,791.05 and 967.74 is: 1,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.86 : 3,791.05 = 967.74 : x
  2. Step 2: Convert to fraction form
    2,527.86/3,791.05 = 967.74/x
  3. Step 3: Cross multiply
    2,527.86x = 3,791.05 × 967.74
  4. Step 4: Simplify right side
    2,527.86x = 3,668,758.19
  5. Step 5: Solve for x
    x = 3,668,758.19/2,527.86
  6. Step 6: Final answer
    x = 1,451.33

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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.