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Finding the Fourth Proportional to 14.72, 22.07 and 7.01

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Solution

The fourth proportional to 14.72, 22.07 and 7.01 is: 10.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.72 : 22.07 = 7.01 : x
  2. Step 2: Convert to fraction form
    14.72/22.07 = 7.01/x
  3. Step 3: Cross multiply
    14.72x = 22.07 × 7.01
  4. Step 4: Simplify right side
    14.72x = 154.71
  5. Step 5: Solve for x
    x = 154.71/14.72
  6. Step 6: Final answer
    x = 10.51

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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.