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Finding the Fourth Proportional to 3,767.77, 5,651.62 and 956.60

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Solution

The fourth proportional to 3,767.77, 5,651.62 and 956.60 is: 1,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.77 : 5,651.62 = 956.60 : x
  2. Step 2: Convert to fraction form
    3,767.77/5,651.62 = 956.60/x
  3. Step 3: Cross multiply
    3,767.77x = 5,651.62 × 956.60
  4. Step 4: Simplify right side
    3,767.77x = 5,406,362.03
  5. Step 5: Solve for x
    x = 5,406,362.03/3,767.77
  6. Step 6: Final answer
    x = 1,434.90

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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.