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Finding the Fourth Proportional to 15.62, 23.32 and 14.01

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Solution

The fourth proportional to 15.62, 23.32 and 14.01 is: 20.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.62 : 23.32 = 14.01 : x
  2. Step 2: Convert to fraction form
    15.62/23.32 = 14.01/x
  3. Step 3: Cross multiply
    15.62x = 23.32 × 14.01
  4. Step 4: Simplify right side
    15.62x = 326.71
  5. Step 5: Solve for x
    x = 326.71/15.62
  6. Step 6: Final answer
    x = 20.92

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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.