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Finding the Fourth Proportional to 23.93, 35.76 and 19.60

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Solution

The fourth proportional to 23.93, 35.76 and 19.60 is: 29.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.93 : 35.76 = 19.60 : x
  2. Step 2: Convert to fraction form
    23.93/35.76 = 19.60/x
  3. Step 3: Cross multiply
    23.93x = 35.76 × 19.60
  4. Step 4: Simplify right side
    23.93x = 700.81
  5. Step 5: Solve for x
    x = 700.81/23.93
  6. Step 6: Final answer
    x = 29.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.