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Finding the Fourth Proportional to 7,616.76, 11,425.16 and 2,422.52

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Solution

The fourth proportional to 7,616.76, 11,425.16 and 2,422.52 is: 3,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.76 : 11,425.16 = 2,422.52 : x
  2. Step 2: Convert to fraction form
    7,616.76/11,425.16 = 2,422.52/x
  3. Step 3: Cross multiply
    7,616.76x = 11,425.16 × 2,422.52
  4. Step 4: Simplify right side
    7,616.76x = 27,677,678.60
  5. Step 5: Solve for x
    x = 27,677,678.60/7,616.76
  6. Step 6: Final answer
    x = 3,633.79

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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.