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Finding the Fourth Proportional to 9.34, 14.02 and 7.56

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Solution

The fourth proportional to 9.34, 14.02 and 7.56 is: 11.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.34 : 14.02 = 7.56 : x
  2. Step 2: Convert to fraction form
    9.34/14.02 = 7.56/x
  3. Step 3: Cross multiply
    9.34x = 14.02 × 7.56
  4. Step 4: Simplify right side
    9.34x = 105.99
  5. Step 5: Solve for x
    x = 105.99/9.34
  6. Step 6: Final answer
    x = 11.35

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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.