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Finding the Fourth Proportional to 7,773.11, 11,661.32 and 2,508.42

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Solution

The fourth proportional to 7,773.11, 11,661.32 and 2,508.42 is: 3,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.11 : 11,661.32 = 2,508.42 : x
  2. Step 2: Convert to fraction form
    7,773.11/11,661.32 = 2,508.42/x
  3. Step 3: Cross multiply
    7,773.11x = 11,661.32 × 2,508.42
  4. Step 4: Simplify right side
    7,773.11x = 29,251,459.16
  5. Step 5: Solve for x
    x = 29,251,459.16/7,773.11
  6. Step 6: Final answer
    x = 3,763.16

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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.