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Finding the Fourth Proportional to 15.14, 22.68 and 7.01

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Solution

The fourth proportional to 15.14, 22.68 and 7.01 is: 10.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.14 : 22.68 = 7.01 : x
  2. Step 2: Convert to fraction form
    15.14/22.68 = 7.01/x
  3. Step 3: Cross multiply
    15.14x = 22.68 × 7.01
  4. Step 4: Simplify right side
    15.14x = 158.87
  5. Step 5: Solve for x
    x = 158.87/15.14
  6. Step 6: Final answer
    x = 10.49

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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.