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Finding the Fourth Proportional to 29.68, 44.69 and 23.30

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Solution

The fourth proportional to 29.68, 44.69 and 23.30 is: 35.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.68 : 44.69 = 23.30 : x
  2. Step 2: Convert to fraction form
    29.68/44.69 = 23.30/x
  3. Step 3: Cross multiply
    29.68x = 44.69 × 23.30
  4. Step 4: Simplify right side
    29.68x = 1,041.28
  5. Step 5: Solve for x
    x = 1,041.28/29.68
  6. Step 6: Final answer
    x = 35.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.