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Finding the Fourth Proportional to 9.58, 14.27 and 9.07

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Solution

The fourth proportional to 9.58, 14.27 and 9.07 is: 13.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.58 : 14.27 = 9.07 : x
  2. Step 2: Convert to fraction form
    9.58/14.27 = 9.07/x
  3. Step 3: Cross multiply
    9.58x = 14.27 × 9.07
  4. Step 4: Simplify right side
    9.58x = 129.43
  5. Step 5: Solve for x
    x = 129.43/9.58
  6. Step 6: Final answer
    x = 13.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.