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Finding the Fourth Proportional to 29.36, 40.51 and 17.08

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Solution

The fourth proportional to 29.36, 40.51 and 17.08 is: 23.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.36 : 40.51 = 17.08 : x
  2. Step 2: Convert to fraction form
    29.36/40.51 = 17.08/x
  3. Step 3: Cross multiply
    29.36x = 40.51 × 17.08
  4. Step 4: Simplify right side
    29.36x = 691.91
  5. Step 5: Solve for x
    x = 691.91/29.36
  6. Step 6: Final answer
    x = 23.57

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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.