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Finding the Fourth Proportional to 7,808.55, 11,713.44 and 2,261.97

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Solution

The fourth proportional to 7,808.55, 11,713.44 and 2,261.97 is: 3,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.55 : 11,713.44 = 2,261.97 : x
  2. Step 2: Convert to fraction form
    7,808.55/11,713.44 = 2,261.97/x
  3. Step 3: Cross multiply
    7,808.55x = 11,713.44 × 2,261.97
  4. Step 4: Simplify right side
    7,808.55x = 26,495,449.88
  5. Step 5: Solve for x
    x = 26,495,449.88/7,808.55
  6. Step 6: Final answer
    x = 3,393.13

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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.