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Finding the Fourth Proportional to 29.02, 40.03 and 17.35

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Solution

The fourth proportional to 29.02, 40.03 and 17.35 is: 23.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.02 : 40.03 = 17.35 : x
  2. Step 2: Convert to fraction form
    29.02/40.03 = 17.35/x
  3. Step 3: Cross multiply
    29.02x = 40.03 × 17.35
  4. Step 4: Simplify right side
    29.02x = 694.62
  5. Step 5: Solve for x
    x = 694.62/29.02
  6. Step 6: Final answer
    x = 23.94

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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.