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Finding the Fourth Proportional to 29.54, 40.74 and 24.35

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Solution

The fourth proportional to 29.54, 40.74 and 24.35 is: 33.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.54 : 40.74 = 24.35 : x
  2. Step 2: Convert to fraction form
    29.54/40.74 = 24.35/x
  3. Step 3: Cross multiply
    29.54x = 40.74 × 24.35
  4. Step 4: Simplify right side
    29.54x = 991.82
  5. Step 5: Solve for x
    x = 991.82/29.54
  6. Step 6: Final answer
    x = 33.58

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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.