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Finding the Fourth Proportional to 15.94, 23.95 and 14.80

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Solution

The fourth proportional to 15.94, 23.95 and 14.80 is: 22.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.94 : 23.95 = 14.80 : x
  2. Step 2: Convert to fraction form
    15.94/23.95 = 14.80/x
  3. Step 3: Cross multiply
    15.94x = 23.95 × 14.80
  4. Step 4: Simplify right side
    15.94x = 354.39
  5. Step 5: Solve for x
    x = 354.39/15.94
  6. Step 6: Final answer
    x = 22.24

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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.