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Finding the Fourth Proportional to 7,392.34, 11,086.62 and 2,197

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Solution

The fourth proportional to 7,392.34, 11,086.62 and 2,197 is: 3,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.34 : 11,086.62 = 2,197 : x
  2. Step 2: Convert to fraction form
    7,392.34/11,086.62 = 2,197/x
  3. Step 3: Cross multiply
    7,392.34x = 11,086.62 × 2,197
  4. Step 4: Simplify right side
    7,392.34x = 24,357,304.14
  5. Step 5: Solve for x
    x = 24,357,304.14/7,392.34
  6. Step 6: Final answer
    x = 3,294.94

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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.