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Finding the Fourth Proportional to 19.08, 28.73 and 14.82

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Solution

The fourth proportional to 19.08, 28.73 and 14.82 is: 22.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.08 : 28.73 = 14.82 : x
  2. Step 2: Convert to fraction form
    19.08/28.73 = 14.82/x
  3. Step 3: Cross multiply
    19.08x = 28.73 × 14.82
  4. Step 4: Simplify right side
    19.08x = 425.81
  5. Step 5: Solve for x
    x = 425.81/19.08
  6. Step 6: Final answer
    x = 22.32

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.