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Finding the Fourth Proportional to 29.43, 40.58 and 19.06

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Solution

The fourth proportional to 29.43, 40.58 and 19.06 is: 26.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.43 : 40.58 = 19.06 : x
  2. Step 2: Convert to fraction form
    29.43/40.58 = 19.06/x
  3. Step 3: Cross multiply
    29.43x = 40.58 × 19.06
  4. Step 4: Simplify right side
    29.43x = 773.25
  5. Step 5: Solve for x
    x = 773.25/29.43
  6. Step 6: Final answer
    x = 26.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.