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Finding the Fourth Proportional to 7,694, 11,542.92 and 2,222

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Solution

The fourth proportional to 7,694, 11,542.92 and 2,222 is: 3,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694 : 11,542.92 = 2,222 : x
  2. Step 2: Convert to fraction form
    7,694/11,542.92 = 2,222/x
  3. Step 3: Cross multiply
    7,694x = 11,542.92 × 2,222
  4. Step 4: Simplify right side
    7,694x = 25,648,368.24
  5. Step 5: Solve for x
    x = 25,648,368.24/7,694
  6. Step 6: Final answer
    x = 3,333.55

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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.