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Finding the Fourth Proportional to 29.02, 40.05 and 24.16

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Solution

The fourth proportional to 29.02, 40.05 and 24.16 is: 33.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.02 : 40.05 = 24.16 : x
  2. Step 2: Convert to fraction form
    29.02/40.05 = 24.16/x
  3. Step 3: Cross multiply
    29.02x = 40.05 × 24.16
  4. Step 4: Simplify right side
    29.02x = 967.61
  5. Step 5: Solve for x
    x = 967.61/29.02
  6. Step 6: Final answer
    x = 33.34

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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.