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Finding the Fourth Proportional to 15.32, 22.84 and 15.01

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Solution

The fourth proportional to 15.32, 22.84 and 15.01 is: 22.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.32 : 22.84 = 15.01 : x
  2. Step 2: Convert to fraction form
    15.32/22.84 = 15.01/x
  3. Step 3: Cross multiply
    15.32x = 22.84 × 15.01
  4. Step 4: Simplify right side
    15.32x = 342.73
  5. Step 5: Solve for x
    x = 342.73/15.32
  6. Step 6: Final answer
    x = 22.37

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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.